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/lint-neo-yt.iml

@@ -6,6 +6,7 @@
       <excludeFolder url="file://$MODULE_DIR$/temp" />
       <excludeFolder url="file://$MODULE_DIR$/tmp" />
     </content>
+    <content url="file://$MODULE_DIR$/node_modules" />
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>