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

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

node_modules/cssstyle/lib/properties/left.js

@@ -0,0 +1,14 @@
+'use strict';
+
+var parseMeasurement = require('../parsers').parseMeasurement;
+
+module.exports.definition = {
+  set: function(v) {
+    this._setProperty('left', parseMeasurement(v));
+  },
+  get: function() {
+    return this.getPropertyValue('left');
+  },
+  enumerable: true,
+  configurable: true,
+};