feat: scaffold gold_monitor web hub, API, PM2 deploy and docs

deploy/lib/update.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# shellcheck shell=bash
+set -euo pipefail
+# shellcheck source=common.sh
+source "${LIB_DIR}/common.sh"
+need_root
+
+echo "更新子菜单"
+echo "  1) 快速更新 (git pull + pm2 restart)"
+echo "  2) 依赖更新 (pull + pip + restart)"
+echo "  0) 返回"
+read -r -p "选择: " choice
+case "${choice}" in
+  1)
+    git -C "${REPO_ROOT}" pull --ff-only
+    pm2 restart gold_monitor
+    ;;
+  2)
+    git -C "${REPO_ROOT}" pull --ff-only
+    bash "${REPO_ROOT}/deploy/setup_env.sh"
+    pm2 restart gold_monitor
+    ;;
+  *)
+    echo "取消"
+    ;;
+esac