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diff --git a/node_modules/iconv-lite/encodings/utf32.js b/node_modules/iconv-lite/encodings/utf32.js
new file mode 100644
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+++ b/node_modules/iconv-lite/encodings/utf32.js
@@ -0,0 +1,314 @@
+"use strict"
+
+var Buffer = require("safer-buffer").Buffer
+
+// == UTF32-LE/BE codec. ==========================================================
+
+exports._utf32 = Utf32Codec
+
+function Utf32Codec (codecOptions, iconv) {
+  this.iconv = iconv
+  this.bomAware = true
+  this.isLE = codecOptions.isLE
+}
+
+exports.utf32le = { type: "_utf32", isLE: true }
+exports.utf32be = { type: "_utf32", isLE: false }
+
+// Aliases
+exports.ucs4le = "utf32le"
+exports.ucs4be = "utf32be"
+
+Utf32Codec.prototype.encoder = Utf32Encoder
+Utf32Codec.prototype.decoder = Utf32Decoder
+
+// -- Encoding
+
+function Utf32Encoder (options, codec) {
+  this.isLE = codec.isLE
+  this.highSurrogate = 0
+}
+
+Utf32Encoder.prototype.write = function (str) {
+  var src = Buffer.from(str, "ucs2")
+  // src.length * 2 covers this chunk's code units (4 bytes each); the extra 4 bytes leave room for a
+  // high surrogate held over from a previous chunk, which is flushed ahead of this chunk's units.
+  var dst = Buffer.alloc(src.length * 2 + 4)
+  var write32 = this.isLE ? dst.writeUInt32LE : dst.writeUInt32BE
+  var offset = 0
+
+  for (var i = 0; i < src.length; i += 2) {
+    var code = src.readUInt16LE(i)
+    var isHighSurrogate = (code >= 0xD800 && code < 0xDC00)
+    var isLowSurrogate = (code >= 0xDC00 && code < 0xE000)
+
+    if (this.highSurrogate) {
+      if (isHighSurrogate || !isLowSurrogate) {
+        // There shouldn't be two high surrogates in a row, nor a high surrogate which isn't followed by a low
+        // surrogate. If this happens, keep the pending high surrogate as a stand-alone semi-invalid character
+        // (technically wrong, but expected by some applications, like Windows file names).
+        write32.call(dst, this.highSurrogate, offset)
+        offset += 4
+      } else {
+        // Create 32-bit value from high and low surrogates;
+        var codepoint = (((this.highSurrogate - 0xD800) << 10) | (code - 0xDC00)) + 0x10000
+
+        write32.call(dst, codepoint, offset)
+        offset += 4
+        this.highSurrogate = 0
+
+        continue
+      }
+    }
+
+    if (isHighSurrogate) { this.highSurrogate = code } else {
+      // Even if the current character is a low surrogate, with no previous high surrogate, we'll
+      // encode it as a semi-invalid stand-alone character for the same reasons expressed above for
+      // unpaired high surrogates.
+      write32.call(dst, code, offset)
+      offset += 4
+      this.highSurrogate = 0
+    }
+  }
+
+  if (offset < dst.length) { dst = dst.slice(0, offset) }
+
+  return dst
+}
+
+Utf32Encoder.prototype.end = function () {
+  // Treat any leftover high surrogate as a semi-valid independent character.
+  if (!this.highSurrogate) { return }
+
+  var buf = Buffer.alloc(4)
+
+  if (this.isLE) { buf.writeUInt32LE(this.highSurrogate, 0) } else { buf.writeUInt32BE(this.highSurrogate, 0) }
+
+  this.highSurrogate = 0
+
+  return buf
+}
+
+// -- Decoding
+
+function Utf32Decoder (options, codec) {
+  this.isLE = codec.isLE
+  this.badChar = codec.iconv.defaultCharUnicode.charCodeAt(0)
+  this.overflow = []
+}
+
+Utf32Decoder.prototype.write = function (src) {
+  if (src.length === 0) { return "" }
+
+  var i = 0
+  var codepoint = 0
+  var dst = Buffer.alloc(src.length + 4)
+  var offset = 0
+  var isLE = this.isLE
+  var overflow = this.overflow
+  var badChar = this.badChar
+
+  if (overflow.length > 0) {
+    for (; i < src.length && overflow.length < 4; i++) { overflow.push(src[i]) }
+
+    if (overflow.length === 4) {
+      // NOTE: codepoint is a signed int32 and can be negative.
+      // NOTE: We copied this block from below to help V8 optimize it (it works with array, not buffer).
+      if (isLE) {
+        codepoint = overflow[0] | (overflow[1] << 8) | (overflow[2] << 16) | (overflow[3] << 24)
+      } else {
+        codepoint = overflow[3] | (overflow[2] << 8) | (overflow[1] << 16) | (overflow[0] << 24)
+      }
+      overflow.length = 0
+
+      offset = _writeCodepoint(dst, offset, codepoint, badChar)
+    }
+  }
+
+  // Main loop. Should be as optimized as possible.
+  for (; i < src.length - 3; i += 4) {
+    // NOTE: codepoint is a signed int32 and can be negative.
+    if (isLE) {
+      codepoint = src[i] | (src[i + 1] << 8) | (src[i + 2] << 16) | (src[i + 3] << 24)
+    } else {
+      codepoint = src[i + 3] | (src[i + 2] << 8) | (src[i + 1] << 16) | (src[i] << 24)
+    }
+    offset = _writeCodepoint(dst, offset, codepoint, badChar)
+  }
+
+  // Keep overflowing bytes.
+  for (; i < src.length; i++) {
+    overflow.push(src[i])
+  }
+
+  return dst.slice(0, offset).toString("ucs2")
+}
+
+function _writeCodepoint (dst, offset, codepoint, badChar) {
+  // NOTE: codepoint is signed int32 and can be negative. We keep it that way to help V8 with optimizations.
+  if (codepoint < 0 || codepoint > 0x10FFFF) {
+    // Not a valid Unicode codepoint
+    codepoint = badChar
+  }
+
+  // Ephemeral Planes: Write high surrogate.
+  if (codepoint >= 0x10000) {
+    codepoint -= 0x10000
+
+    var high = 0xD800 | (codepoint >> 10)
+    dst[offset++] = high & 0xff
+    dst[offset++] = high >> 8
+
+    // Low surrogate is written below.
+    var codepoint = 0xDC00 | (codepoint & 0x3FF)
+  }
+
+  // Write BMP char or low surrogate.
+  dst[offset++] = codepoint & 0xff
+  dst[offset++] = codepoint >> 8
+
+  return offset
+};
+
+Utf32Decoder.prototype.end = function () {
+  if (this.overflow.length === 0) { return }
+
+  // A leftover, incomplete 4-byte code unit at the end of the input is ill-formed. Substitute a
+  // single U+FFFD (Unicode Standard conformance clause C10) instead of silently dropping the bytes.
+  this.overflow.length = 0
+  return String.fromCharCode(this.badChar)
+}
+
+// == UTF-32 Auto codec =============================================================
+// Decoder chooses automatically from UTF-32LE and UTF-32BE using BOM and space-based heuristic.
+// Defaults to UTF-32LE. http://en.wikipedia.org/wiki/UTF-32
+// Encoder/decoder default can be changed: iconv.decode(buf, 'utf32', {defaultEncoding: 'utf-32be'});
+
+// Encoder prepends BOM (which can be overridden with (addBOM: false}).
+
+exports.utf32 = Utf32AutoCodec
+exports.ucs4 = "utf32"
+
+function Utf32AutoCodec (options, iconv) {
+  this.iconv = iconv
+}
+
+Utf32AutoCodec.prototype.encoder = Utf32AutoEncoder
+Utf32AutoCodec.prototype.decoder = Utf32AutoDecoder
+
+// -- Encoding
+
+function Utf32AutoEncoder (options, codec) {
+  options = options || {}
+
+  if (options.addBOM === undefined) {
+    options.addBOM = true
+  }
+
+  this.encoder = codec.iconv.getEncoder(options.defaultEncoding || "utf-32le", options)
+}
+
+Utf32AutoEncoder.prototype.write = function (str) {
+  return this.encoder.write(str)
+}
+
+Utf32AutoEncoder.prototype.end = function () {
+  return this.encoder.end()
+}
+
+// -- Decoding
+
+function Utf32AutoDecoder (options, codec) {
+  this.decoder = null
+  this.initialBufs = []
+  this.initialBufsLen = 0
+  this.options = options || {}
+  this.iconv = codec.iconv
+}
+
+Utf32AutoDecoder.prototype.write = function (buf) {
+  if (!this.decoder) {
+    // Codec is not chosen yet. Accumulate initial bytes.
+    this.initialBufs.push(buf)
+    this.initialBufsLen += buf.length
+
+    if (this.initialBufsLen < 32) // We need more bytes to use space heuristic (see below)
+    { return "" }
+
+    // We have enough bytes -> detect endianness.
+    var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding)
+    this.decoder = this.iconv.getDecoder(encoding, this.options)
+
+    var resStr = ""
+    for (var i = 0; i < this.initialBufs.length; i++) { resStr += this.decoder.write(this.initialBufs[i]) }
+
+    this.initialBufs.length = this.initialBufsLen = 0
+    return resStr
+  }
+
+  return this.decoder.write(buf)
+}
+
+Utf32AutoDecoder.prototype.end = function () {
+  if (!this.decoder) {
+    var encoding = detectEncoding(this.initialBufs, this.options.defaultEncoding)
+    this.decoder = this.iconv.getDecoder(encoding, this.options)
+
+    var resStr = ""
+    for (var i = 0; i < this.initialBufs.length; i++) { resStr += this.decoder.write(this.initialBufs[i]) }
+
+    var trail = this.decoder.end()
+    if (trail) { resStr += trail }
+
+    this.initialBufs.length = this.initialBufsLen = 0
+    return resStr
+  }
+
+  return this.decoder.end()
+}
+
+function detectEncoding (bufs, defaultEncoding) {
+  var b = []
+  var charsProcessed = 0
+  var invalidLE = 0; var invalidBE = 0   // Number of invalid chars when decoded as LE or BE.
+  var bmpCharsLE = 0; var bmpCharsBE = 0 // Number of BMP chars when decoded as LE or BE.
+
+  outerLoop:
+  for (var i = 0; i < bufs.length; i++) {
+    var buf = bufs[i]
+    for (var j = 0; j < buf.length; j++) {
+      b.push(buf[j])
+      if (b.length === 4) {
+        if (charsProcessed === 0) {
+          // Check BOM first.
+          if (b[0] === 0xFF && b[1] === 0xFE && b[2] === 0 && b[3] === 0) {
+            return "utf-32le"
+          }
+          if (b[0] === 0 && b[1] === 0 && b[2] === 0xFE && b[3] === 0xFF) {
+            return "utf-32be"
+          }
+        }
+
+        if (b[0] !== 0 || b[1] > 0x10) invalidBE++
+        if (b[3] !== 0 || b[2] > 0x10) invalidLE++
+
+        if (b[0] === 0 && b[1] === 0 && (b[2] !== 0 || b[3] !== 0)) bmpCharsBE++
+        if ((b[0] !== 0 || b[1] !== 0) && b[2] === 0 && b[3] === 0) bmpCharsLE++
+
+        b.length = 0
+        charsProcessed++
+
+        if (charsProcessed >= 100) {
+          break outerLoop
+        }
+      }
+    }
+  }
+
+  // Make decisions.
+  if (bmpCharsBE - invalidBE > bmpCharsLE - invalidLE) return "utf-32be"
+  if (bmpCharsBE - invalidBE < bmpCharsLE - invalidLE) return "utf-32le"
+
+  // Couldn't decide (likely all zeros or not enough data).
+  return defaultEncoding || "utf-32le"
+}