Refacor electron app and add migrations

electron/cqrs/commands/handlers/saveBan.ts

@@ -0,0 +1,20 @@
+import { DataSource } from 'typeorm';
+import { BanEntity } from '../../../entities';
+import { SaveBanCommand } from '../../types';
+
+export async function handleSaveBan(command: SaveBanCommand, dataSource: DataSource): Promise<void> {
+  const repo = dataSource.getRepository(BanEntity);
+  const { ban } = command.payload;
+  const entity = repo.create({
+    oderId: ban.oderId,
+    roomId: ban.roomId,
+    userId: ban.userId ?? null,
+    bannedBy: ban.bannedBy,
+    displayName: ban.displayName ?? null,
+    reason: ban.reason ?? null,
+    expiresAt: ban.expiresAt ?? null,
+    timestamp: ban.timestamp
+  });
+
+  await repo.save(entity);
+}