Add web client and containerized deployment stack

Web client:

- Added React + TypeScript + Vite + Tailwind application in web/.

- Implemented auth, chat list, chat messages, typing indicators, file uploads, and voice recording/playback.

- Added typed API layer, Zustand stores, and realtime websocket hook integration.

Containerization:

- Added backend Dockerfile and project .dockerignore.

- Added web multi-stage Dockerfile with nginx static hosting and API/WS reverse proxy.

- Added full docker-compose stack with postgres, redis, minio, backend, worker, mailpit, and web.

- Added MinIO bucket bootstrap init job and updated README with Docker quick-start.

web/tsconfig.tsbuildinfo

@@ -0,0 +1 @@
+{"root":["./src/main.tsx","./src/vite-env.d.ts","./src/api/auth.ts","./src/api/chats.ts","./src/api/http.ts","./src/app/app.tsx","./src/chat/types.ts","./src/components/authpanel.tsx","./src/components/chatlist.tsx","./src/components/messagecomposer.tsx","./src/components/messagelist.tsx","./src/hooks/userealtime.ts","./src/pages/authpage.tsx","./src/pages/chatspage.tsx","./src/store/authstore.ts","./src/store/chatstore.ts","./src/utils/format.ts","./src/utils/ws.ts"],"version":"5.9.2"}