refactor: update LiveKit integration and clean up unused services

- Changed the base image in Dockerfile to use a lighter node:alpine version.
- Removed unused dependencies from package-lock.json and package.json, including @turbodocx/html-to-docx and jsdom.
- Simplified LiveKit module by removing unnecessary services (LiveKitParticipantService, LiveKitRoomService) and adjusting related schemas and services for better maintainability.
- Updated CollaborationSessionSchema to streamline access token creation and room management.
- Commented out unused imports and services in various modules to enhance code clarity and reduce complexity.

src/LiveKit/livekit.service.ts

@@ -1,15 +1,26 @@
-import { Injectable } from '@nestjs/common'
-import { LiveKitRoomService } from './livekit.room.service'
-import { LiveKitParticipantService } from './livekit.participant.service'
+import { User } from '@prisma/client'
+import { Injectable, Logger } from '@nestjs/common'
+// @ts-expect-error
+import { RoomServiceClient, AccessToken } from 'livekit-server-sdk'
 
 @Injectable()
 export class LiveKitService {
-  constructor(
-    private liveKitRoomService: LiveKitRoomService,
-    private liveKitParticipantService: LiveKitParticipantService,
-  ) {}
+  constructor() {}
 
-  async createAccessToken(participantId: string) {
-    return await this.liveKitParticipantService.createAccessToken(participantId)
+  async createToken(me: User, roomName: string) {
+    if (!process.env.LIVEKIT_API_KEY || !process.env.LIVEKIT_API_SECRET) {
+      throw new Error('LIVEKIT_API_KEY and LIVEKIT_API_SECRET must be set')
+    }
+    if (!me.name) {
+      throw new Error('User must have a name')
+    }
+    const token = new AccessToken(process.env.LIVEKIT_API_KEY as string, process.env.LIVEKIT_API_SECRET as string, {
+      identity: me.name,
+    })
+    token.addGrant({
+      roomJoin: true,
+      room: roomName,
+    })
+    return await token.toJwt()
   }
 }