chore: import deployable mai-bot source tree

deploy/server-maibot/README_DEPLOY_STEPS.txt

@@ -0,0 +1,31 @@
+Server runtime directory: /root/maibot-offline
+Release archive directory: /srv/maibot/releases
+
+Repo-managed deployment files:
+- deploy/server-maibot/Dockerfile.offline
+- deploy/server-maibot/docker-entrypoint.offline.sh
+- deploy/server-maibot/docker-compose.server.yml
+- deploy/server-maibot/activate-release.sh
+- deploy/server-maibot/bot.lecspace.com.nginx.conf
+
+Persistent files that stay on the server and do not go into Git:
+- /root/maibot-offline/docker-config/mmc/*
+- /root/maibot-offline/docker-config/napcat/*
+- /root/maibot-offline/data/*
+- /root/maibot-offline/depends-data/*
+- /root/maibot-offline/bot.lecspace.com.key
+- /root/maibot-offline/bot.lecspace.com_bundle.pem
+
+Gitea workflow:
+- .gitea/workflows/release-offline.yml
+
+Suggested Gitea secrets:
+- MAIBOT_RELEASE_HOST
+- MAIBOT_RELEASE_USER
+- MAIBOT_RELEASE_PORT
+- MAIBOT_RELEASE_ROOT
+- MAIBOT_RUNTIME_ROOT
+- MAIBOT_SSH_KEY
+- MAIBOT_GIT_REPO_URL (optional)
+- MAIBOT_GITEA_USER (optional)
+- MAIBOT_GITEA_TOKEN (optional)