refactor: reimplement realtime-communication

This commit refactors a lot of things that are not easy to separate.
It replaces the binary protocol of y-protocols with json.
It introduces event based message processing.
It implements our own code mirror plugins for synchronisation of content and remote cursors

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

frontend/src/redux/application-state.d.ts

@@ -8,7 +8,7 @@ import type { HistoryEntryWithOrigin } from '../api/history/types'
 import type { DarkModeConfig } from './dark-mode/types'
 import type { EditorConfig } from './editor/types'
 import type { NoteDetails } from './note-details/types/note-details'
-import type { RealtimeState } from './realtime/types'
+import type { RealtimeStatus } from './realtime/types'
 import type { RendererStatus } from './renderer-status/types'
 import type { OptionalUserState } from './user/types'
 
@@ -20,5 +20,5 @@ export interface ApplicationState {
   darkMode: DarkModeConfig
   noteDetails: NoteDetails
   rendererStatus: RendererStatus
-  realtime: RealtimeState
+  realtimeStatus: RealtimeStatus
 }