add Storage

app/scripts/utils/Storage.js

@@ -0,0 +1,19 @@
+var Storage = {
+    getItem: function (name) {
+        return JSON.parse(localStorage.getItem(name));
+    },
+
+    setItem: function (name, value) {
+        localStorage.setItem(name, JSON.stringify(value));
+    },
+
+    removeItem: function (name) {
+        localStorage.removeItem(name);
+    },
+
+    clearAll: function () {
+        localStorage.clear();
+    }
+};
+
+module.exports = Storage;