Add consumer server CLI with Typer + Rich and Windows launcher

Introduce production-ready CLI for hosting Commonwealth Online servers in
cloud and on-premises environments.

Features:
- Server orchestration service (server_service.py) wrapping relay lifecycle
- JSON configuration system (config.py) for hosted deployments
- Typer+Rich CLI (consumer_server_cli.py) with serve/status/clients/world commands
- Windows launcher (start.bat) for one-click server startup
- Auto-detection of LAN addresses and dependency installation
- Machine-readable JSON output for monitoring and automation

Cli commands:
  serve - Start server with optional config overrides
  status - Display server stats and packet counters
  clients - List connected players
  world time - Set in-game time for all clients
  world weather - Set weather for all clients
  config init - Generate default configuration file

Documentation:
  - Updated docs/setup.md with CLI quick-start guide
  - Added server/README.md with usage instructions
  - Updated changelog and dev-log with test results

Testing: - Verified config generation and loading
  - Verified server startup banner and LAN detection
  - Verified fake client connection and welcome packet
  - Verified CLI help and command routing
Co-authored-by: Cursor <cursoragent@cursor.com>

server/requirements.txt

@@ -1 +1,3 @@
 PySide6
+typer==0.12.3
+rich==13.7.0