Remove home-grown xml formatting solution. Use npm packages xml-beautifier and js-beautify for html/xml formatting. Value-add CSS and JS with js-beautify

.idea/requirejsPlugin.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RequirejsProjectComponent">
+    <option name="publicPath" value="." />
+    <option name="configFilePath" value="index.js" />
+  </component>
+</project>