Add capitalize filter

src/js/index.js

@@ -113,6 +113,12 @@ app.config(['$routeProvider', function ($routeProvider) {
     }).otherwise({ redirectTo: '/'});
 }]);
 
+app.filter('capitalize', function () {
+    return function (s) {
+        return s.charAt(0).toUpperCase() + s.slice(1);
+    };
+});
+
 app.filter('activeTask', function () {
     return function (app) {
         if (!app) return false;