feat: ToNav-go v1.0.0 - 内部服务导航系统

功能:
- 前台导航: 分类Tab切换、实时搜索、健康状态指示、响应式适配
- 后台管理: 服务/分类CRUD、系统设置、登录认证(bcrypt)
- 健康检查: 定时检测(5min)、独立检查URL、三态指示(在线/离线/未检测)
- 云端备份: WebDAV上传/下载/恢复/删除、定时自动备份、本地备份管理

技术栈: Go + Gin + GORM + SQLite

go.mod

@@ -0,0 +1,48 @@
+module tonav-go
+
+go 1.24.4
+
+require (
+	github.com/gin-contrib/sessions v1.0.4
+	github.com/gin-gonic/gin v1.11.0
+	golang.org/x/crypto v0.48.0
+	gorm.io/driver/sqlite v1.6.0
+	gorm.io/gorm v1.31.1
+)
+
+require (
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic v1.15.0 // indirect
+	github.com/bytedance/sonic/loader v0.5.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.30.1 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
+	github.com/gorilla/context v1.1.2 // indirect
+	github.com/gorilla/securecookie v1.1.2 // indirect
+	github.com/gorilla/sessions v1.4.0 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-sqlite3 v1.14.34 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
+	go.uber.org/mock v0.6.0 // indirect
+	golang.org/x/arch v0.24.0 // indirect
+	golang.org/x/net v0.50.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
+)