feat: Wormhole 内网穿透与反向代理网关

Go + Vue 管理台：Agent 隧道、域名反代、IP 安全、访客验证与监控大盘。
Gitea Actions CI 多架构镜像；纯 Go SQLite、无 CGO Docker 构建。

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -0,0 +1,49 @@
+# Binaries
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+*.test
+*.out
+
+# Go
+go.work
+go.work.sum
+bin/
+coverage.out
+coverage.html
+*.coverprofile
+
+# Dependencies
+vendor/
+
+# Environment & secrets
+.env
+.env.*
+!.env.example
+
+# Runtime data
+data/
+release/
+
+# Frontend build artifacts
+web/node_modules/
+web/dist/*
+!web/dist/
+!web/dist/index.html
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Temp
+tmp/
+dist/