Add node modules and compiled JavaScript from main (#54)

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

node_modules/jose/lib/help/timing_safe_equal.js

@@ -0,0 +1,18 @@
+const { timingSafeEqual: TSE } = require('crypto')
+
+const paddedBuffer = (input, length) => {
+  if (input.length === length) {
+    return input
+  }
+
+  const buffer = Buffer.alloc(length)
+  input.copy(buffer)
+  return buffer
+}
+
+const timingSafeEqual = (a, b) => {
+  const length = Math.max(a.length, b.length)
+  return TSE(paddedBuffer(a, length), paddedBuffer(b, length))
+}
+
+module.exports = timingSafeEqual