Add node modules and compiled JavaScript from main (#57)

Co-authored-by: Oliver King <oking3@uncc.edu>

node_modules/mkdirp/lib/opts-arg.js

@@ -0,0 +1,23 @@
+const { promisify } = require('util')
+const fs = require('fs')
+const optsArg = opts => {
+  if (!opts)
+    opts = { mode: 0o777, fs }
+  else if (typeof opts === 'object')
+    opts = { mode: 0o777, fs, ...opts }
+  else if (typeof opts === 'number')
+    opts = { mode: opts, fs }
+  else if (typeof opts === 'string')
+    opts = { mode: parseInt(opts, 8), fs }
+  else
+    throw new TypeError('invalid options argument')
+
+  opts.mkdir = opts.mkdir || opts.fs.mkdir || fs.mkdir
+  opts.mkdirAsync = promisify(opts.mkdir)
+  opts.stat = opts.stat || opts.fs.stat || fs.stat
+  opts.statAsync = promisify(opts.stat)
+  opts.statSync = opts.statSync || opts.fs.statSync || fs.statSync
+  opts.mkdirSync = opts.mkdirSync || opts.fs.mkdirSync || fs.mkdirSync
+  return opts
+}
+module.exports = optsArg