Add node modules and new code for release (#39)

Co-authored-by: tbarnes94 <tbarnes94@users.noreply.github.com>

node_modules/cssom/lib/StyleSheet.js

@@ -0,0 +1,17 @@
+//.CommonJS
+var CSSOM = {};
+///CommonJS
+
+
+/**
+ * @constructor
+ * @see http://dev.w3.org/csswg/cssom/#the-stylesheet-interface
+ */
+CSSOM.StyleSheet = function StyleSheet() {
+	this.parentStyleSheet = null;
+};
+
+
+//.CommonJS
+exports.StyleSheet = CSSOM.StyleSheet;
+///CommonJS