docs(home-assistant): add Docker Compose deployment guide

[xzl01]

Summary

• Add a shared Home Assistant Docker Compose deployment guide for Radxa SBCs and mini hosts.
• Cover Mosquitto MQTT, Xiaomi Home official ha_xiaomi_home, Docker Compose maintenance, and optional GPIO/I2C temperature and humidity sensor integration.
• Add wrapper pages for supported board and module documentation trees so users can reach the shared guide from each product.

Validation

• pre-commit run --files .typos.toml docs/common/apps/_home-assistant-docker.mdx i18n/en/docusaurus-plugin-content-docs/current/common/apps/_home-assistant-docker.mdx $(cat /tmp/home_assistant_wrapper_files.txt) $(cat /tmp/home_assistant_category_files.txt)
• Commit hook pre-commit passed during git commit.
• Push hook pre-commit passed during git push.