feat: add Docker deployment, update install script, and project configs

- Add Dockerfile and docker-compose.yml for containerized deployment
- Rewrite install.sh for Docker-based setup (multi-distro support)
- Add Go module files (go.mod, go.sum) for WGRplane backend
- Add wgrplane.service systemd unit for Go backend
- Add CI verification scripts in scripts/
- Update README.md with Docker deployment docs
- Update .gitignore for binaries and .sisyphus/

go.mod

@@ -0,0 +1,39 @@
+module github.com/your-org/03.wireguard-policy
+
+go 1.25.0
+
+require (
+	github.com/golang-jwt/jwt/v5 v5.3.1
+	github.com/gorilla/mux v1.8.1
+	github.com/gorilla/websocket v1.5.3
+	github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible
+	github.com/nicksnyder/go-i18n/v2 v2.6.1
+	github.com/pquerna/otp v1.5.0
+	github.com/robfig/cron/v3 v3.0.1
+	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
+	github.com/swaggo/http-swagger v1.3.4
+	github.com/swaggo/swag v1.16.6
+	golang.org/x/text v0.36.0
+	gorm.io/driver/sqlite v1.6.0
+	gorm.io/gorm v1.31.1
+)
+
+require (
+	github.com/KyleBanks/depth v1.2.1 // indirect
+	github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.20.0 // indirect
+	github.com/go-openapi/spec v0.20.6 // indirect
+	github.com/go-openapi/swag v0.19.15 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
+	github.com/mattn/go-sqlite3 v1.14.22 // indirect
+	github.com/swaggo/files v1.0.1 // indirect
+	golang.org/x/mod v0.34.0 // indirect
+	golang.org/x/net v0.52.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
+	golang.org/x/tools v0.43.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)