Move all firbase dependencies from actions layer to firebaseService layer (#13)

app/domain/notifications/notification.ts

@@ -1,45 +1,45 @@
 import { BaseDomain } from 'domain/common'
 
 export class Notification extends BaseDomain {
-    
+
     /**
      * Description of notification
-     * 
+     *
      * @type {string}
      * @memberof Notification
      */
-    public description: string
-    
+  public description: string
+
     /**
      * The URL which notification refer to
-     * 
+     *
      * @type {string}
      * @memberof Notification
      */
-    public url: string
+  public url: string
 
     /**
      * The identifier of the user who makes the notification
-     * 
+     *
      * @type {string}
      * @memberof Notification
      */
-    public notifierUserId: string
+  public notifierUserId: string
 
     /**
      * The identifier of the user who receive the notification
-     * 
+     *
      * @type {string}
      * @memberof Notification
      */
-    public notifyRecieverUserId: string
+  public notifyRecieverUserId: string
 
     /**
      * If the notification is seen {true} or not {false}
-     * 
+     *
      * @type {Boolean}
      * @memberof Notification
      */
-    public isSeen: Boolean
-    
-}
+  public isSeen: Boolean
+
+}