Added the new opening animation files

loader/html/index.html.ejs

@@ -84,7 +84,7 @@ var initial_css;
         <div class="loader" id="loader-overlay">
             <div class="container">
                 <div class="setup">
-                    <lazy-img src-apng="img/loader/initial-sequence.gif" src-gif="img/loader/initial-sequence.gif" alt="initial loading sequence"></lazy-img>
+                    <lazy-img src-apng="img/loader/initial-sequence.png" src-gif="img/loader/initial-sequence.gif" alt="initial loading sequence"></lazy-img>
                 </div>
                 <div class="idle">
                     <lazy-img class="bowl" src="img/loader/bowl.png" alt="bowl"></lazy-img>