DI enhancement

  - Files would be placed under corresponding directory (Components, Modules, Util)

  - Apply Scene-based Component.

  - Update hard-coded temporary value for Tip Category (SYS_NOTICE -> UPDATES)

# Conflicts:
#	app/src/main/java/com/doyoonkim/knutice/MainApplication.kt
#	app/src/main/java/com/doyoonkim/knutice/di/components/AppComponent.kt
#	app/src/main/java/com/doyoonkim/knutice/di/modules/AppModule.kt

  - Improve DI structure
    * Apply Scene-based Component for constructing independent dependency graph of each scene on feature.

  - Improve DI structure
    * Isolate DI Component for FirebaseMessagingService.
     - Construct independent dependency graph.
     - Uses different retrofit service with shorter timeout.

  - Remove Unnecessary Timeout handling.
    (Retrofit Service would have its own OkHTTP client with shorter timeout (5 seconds)

  - Inject necessary system service.
    * AlarmManager instance is now being injected to NotificationAlarmScheduler.

  - Decentralize DI modules under :feature and :data modules.

  - Create new Singleton object 'DeviceToken' to manage FCM token during the application lifecycle.

  - Remove unnecessary component/module from the DI structure.

  - Inject Singleton-based DeviceToken instance to RemoteSource.

  - Create separate module to provide KnuticeApiService with shorter timeout applied. (For PushNotificationHandler)

  - Move navigation-related logics to :app module from :feature module.
  - Apply Scene-based components to corresponding destination.

  - Remove unnecessary module dependencies from MainActivityComponent.

  - Remove unnecessary field variable from the MainActivity
  - Apply Separated MainActivityComponent for DI.

  - Apply Separated top-level AppComponent.

  - Dynamically apply string resources for Submission Error

  - Add necessary localized string resources.

  - Remove unnecessary function parameter (viewModelFactory)

  - Clean up unused import statments.

  - Update Version Code (24 -> 25)

  - Update Version Code (25 -> 26)