add broker

backend/src/settings/user-settings.entity.ts

@@ -0,0 +1,22 @@
+import {
+  Entity,
+  PrimaryColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+} from 'typeorm';
+
+@Entity('user_settings')
+export class UserSettings {
+  @PrimaryColumn({ name: 'user_id', type: 'varchar', length: 255 })
+  userId: string;
+
+  @Column({ type: 'jsonb', default: {} })
+  settings: Record<string, unknown>;
+
+  @CreateDateColumn({ name: 'created_at' })
+  createdAt: Date;
+
+  @UpdateDateColumn({ name: 'updated_at' })
+  updatedAt: Date;
+}