feat: complete OCI registry implementation with docker push/pull support

A lightweight OCI (Open Container Initiative) registry implementation written in Go.

internal/middleware/repo.go

@@ -0,0 +1,13 @@
+package middleware
+
+import (
+	"github.com/gofiber/fiber/v3"
+)
+
+// RepoMiddleware 仓库名中间件（如果需要的话）
+func RepoMiddleware() fiber.Handler {
+	return func(c fiber.Ctx) error {
+		// 可以在这里处理仓库名相关的逻辑
+		return c.Next()
+	}
+}