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/drizzle.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from 'drizzle-kit';
+import 'dotenv/config';
+
+export default defineConfig({
+  schema: './src/db/schema.ts',
+  out: './drizzle',
+  dialect: 'postgresql',
+  dbCredentials: {
+    url: process.env.DATABASE_URL!,
+  },
+});