added missing arrow svg

app/app.js

     // 'luticateAuth',
     'appSdk'
 ])
-    .config(['$stateProvider', '$urlRouterProvider', 'ssSideNavSectionsProvider', '$mdThemingProvider',
-        function($stateProvider, $urlRouterProvider, ssSideNavSectionsProvider, $mdThemingProvider) {
+    .config(['$stateProvider', '$urlRouterProvider', 'ssSideNavSectionsProvider', '$mdThemingProvider', '$mdIconProvider',
+        function($stateProvider, $urlRouterProvider, ssSideNavSectionsProvider, $mdThemingProvider, $mdIconProvider) {
 
             // $mdThemingProvider
             //     .theme('default')
             //         'default': '700'
             //     });
 
+            $mdIconProvider
+                .icon('md-toggle-arrow', 'img/arrow.svg') ;
+
             ssSideNavSectionsProvider.initWithTheme($mdThemingProvider);
             ssSideNavSectionsProvider.initWithSections([{
                 id: 'toogle_1',

app/img/arrow.svg

+<svg fill="#FFFFFF" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
+    <path d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"/>
+    <path d="M0 0h24v24H0z" fill="none"/>
+</svg>