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

app/services/users/IUserService.ts

@@ -1,15 +1,13 @@
-import { User } from 'domain/users'
-
-
-
+import { User, Profile } from 'domain/users'
 
 /**
  * User service interface
- * 
+ *
  * @export
  * @interface IUserService
  */
 export interface IUserService {
-
-
-}
+  getUserProfile: (userId: string) => Promise<Profile>
+  updateUserProfile: (userId: string, profile: Profile) => Promise<void>
+  getUsersProfile: (userId: string) => Promise<{[userId: string]: Profile}>
+}