restore composer.json, add mysqli extension

public/vendor/dashboard/app-assets/js/scripts/documentation.js

@@ -0,0 +1,13 @@
+/*=========================================================================================
+    File Name: documentation.js
+    Description: Theme documentation js file
+    ----------------------------------------------------------------------------------------
+    Item Name: Vuesax HTML Admin Template
+    Version: 1.1
+    Author: PIXINVENT
+    Author URL: http://www.themeforest.net/user/pixinvent
+==========================================================================================*/
+
+$(document).ready(function(){
+   $('body').scrollspy({ target: '#sidebar-page-navigation' });
+});