fix some bug and produce many problem to solve later

src/Realtime/realtime.module.ts

@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common'
+import { RealtimeService } from './realtime.service'
+
+@Module({
+  providers: [RealtimeService],
+  exports: [RealtimeService],
+})
+export class RealtimeModule {}

src/Realtime/realtime.service.ts

@@ -0,0 +1,7 @@
+import { Injectable } from '@nestjs/common'
+// @ts-ignore
+import * as Y from 'yjs'
+@Injectable()
+export class RealtimeService {
+  yjs = new Y.Doc()
+}