ci(deploy): 改为 GitHub Webhook 触发部署

deploy/weread-webhook.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=WeReadBoard GitHub Webhook Receiver
+After=network.target
+
+[Service]
+Type=simple
+User=weread
+WorkingDirectory=/opt/weread-board/WeReadBoard
+EnvironmentFile=/etc/weread-webhook.env
+ExecStart=/opt/weread-board/WeReadBoard/.venv/bin/python deploy_webhook.py
+Restart=always
+RestartSec=3
+
+[Install]
+WantedBy=multi-user.target