feat: initial mIRCcloud.com scaffold

- Express + TypeScript backend with IRC connection manager
- React + Vite frontend with mIRC-inspired theme
- Drizzle ORM + PostgreSQL schema (users, connections, channels, messages)
- Redis pub/sub for real-time WebSocket delivery across replicas
- IRC color code parser (16 + 99 extended palette)
- Kubernetes manifests for homecloud deployment
- Multi-stage Dockerfile with non-root user
- docker-compose for local development

server/src/db/index.ts

@@ -0,0 +1,16 @@
+import { drizzle } from 'drizzle-orm/postgres-js';
+import postgres from 'postgres';
+import { config } from '../config.js';
+import * as schema from './schema.js';
+
+const client = postgres(config.DATABASE_URL, {
+  max: 20,
+  idle_timeout: 20,
+  connect_timeout: 10,
+});
+
+export const db = drizzle(client, { schema });
+
+export async function closeDb(): Promise<void> {
+  await client.end();
+}