Add node modules and compiled JavaScript from main (#172)

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

node_modules/underscore/amd/_unescapeMap.js

@@ -0,0 +1,8 @@
+define(['./invert', './_escapeMap'], function (invert, _escapeMap) {
+
+	// Internal list of HTML entities for unescaping.
+	var unescapeMap = invert(_escapeMap);
+
+	return unescapeMap;
+
+});