Convert spaces to tabs in footer.tmpl (#2520)

templates/base/footer.tmpl

@@ -64,7 +64,7 @@
 	<script src="{{AppSubUrl}}/vendor/plugins/vue/vue.min.js"></script>
 
 	<!-- JavaScript -->
-  <script src="{{AppSubUrl}}/vendor/plugins/semantic/semantic.min.js"></script>
-  <script src="{{AppSubUrl}}/js/index.js?v={{MD5 AppVer}}"></script>
+	<script src="{{AppSubUrl}}/vendor/plugins/semantic/semantic.min.js"></script>
+	<script src="{{AppSubUrl}}/js/index.js?v={{MD5 AppVer}}"></script>
 </body>
-</html>
+</html>