feat: Add notifications

toju-app/src/app/domains/README.md

@@ -11,11 +11,25 @@ infrastructure adapters and UI.
 | **attachment** | File upload/download, chunk transfer, persistence | `AttachmentFacade` |
 | **auth** | Login / register HTTP orchestration, user-bar UI | `AuthService` |
 | **chat** | Messaging rules, sync logic, GIF/Klipy integration, chat UI | `KlipyService`, `canEditMessage()`, `ChatMessagesComponent` |
+| **notifications** | Notification preferences, unread tracking, desktop alert orchestration | `NotificationsFacade` |
 | **screen-share** | Source picker, quality presets | `ScreenShareFacade` |
 | **server-directory** | Multi-server endpoint management, health checks, invites, server search UI | `ServerDirectoryFacade` |
 | **voice-connection** | Voice activity detection, bitrate profiles, in-channel camera transport | `VoiceConnectionFacade` |
 | **voice-session** | Join/leave orchestration, voice settings persistence | `VoiceSessionFacade` |
 
+## Detailed docs
+
+The larger domains also keep longer design notes in their own folders:
+
+- [attachment/README.md](attachment/README.md)
+- [auth/README.md](auth/README.md)
+- [chat/README.md](chat/README.md)
+- [notifications/README.md](notifications/README.md)
+- [screen-share/README.md](screen-share/README.md)
+- [server-directory/README.md](server-directory/README.md)
+- [voice-connection/README.md](voice-connection/README.md)
+- [voice-session/README.md](voice-session/README.md)
+
 ## Folder convention
 
 Every domain follows the same internal layout: