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

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

main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os/signal"
+	"syscall"
+	"time"
+
+	"gitea.loveuer.com/loveuer/cluster/internal/cmd"
+)
+
+func init() {
+	time.LoadLocation("Asia/Shanghai")
+}
+
+func main() {
+	ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
+	defer cancel()
+
+	if err := cmd.Run(ctx); err != nil {
+		log.Fatalf("Failed to run command: %v", err)
+	}
+}