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

.dockerignore

@@ -0,0 +1,19 @@
+node_modules
+client/node_modules
+server/node_modules
+.git
+.gitignore
+*.md
+docker-compose.yml
+kubernetes/
+.env
+.env.*
+!.env.example
+dist
+client/dist
+server/dist
+.vscode
+.idea
+*.log
+coverage
+.nyc_output