Update README.md

Completely redo README.md

Create .env.example

Create openclaw.json.example

Delete openclaw/openclaw.json

Delete openclaw.json.example

Create openclaw.json

Complete overhaul openclaw.json.example

Complete overhaul docker-compose.yml

Update README.md

Update README.md

Update README.md

Update README with detailed, step-by-step UI instructions and model selection guidance

Add Open WebUI model selection instructions

Initial commit: OpenClaw + Open WebUI docker stack