feat(docker): update Docker deployment for v0.6.0

Major updates to Docker deployment infrastructure:
- Switch default port to 11235 for all services
- Add MCP (Model Context Protocol) support with WebSocket/SSE endpoints
- Simplify docker-compose.yml with auto-platform detection
- Update documentation with new features and examples
- Consolidate configuration and improve resource management

BREAKING CHANGE: Default port changed from 8020 to 11235. Update your configurations and deployment scripts accordingly.

Dockerfile

@@ -1,5 +1,10 @@
 FROM python:3.10-slim
 
+# C4ai version
+ARG C4AI_VER=0.6.0
+ENV C4AI_VERSION=$C4AI_VER
+LABEL c4ai.version=$C4AI_VER
+
 # Set build arguments
 ARG APP_HOME=/app
 ARG GITHUB_REPO=https://github.com/unclecode/crawl4ai.git