fix: improve plugins functionality with server management

electron/entities/RoomOwnerEntity.ts

@@ -0,0 +1,19 @@
+import {
+  Column,
+  Entity,
+  Index,
+  PrimaryColumn
+} from 'typeorm';
+
+@Entity('room_owners')
+export class RoomOwnerEntity {
+  @PrimaryColumn('text')
+  roomId!: string;
+
+  @PrimaryColumn('text')
+  @Index()
+  userId!: string;
+
+  @Column('integer')
+  savedAt!: number;
+}