chore: sub-store Go 重写项目初始化

cmd/root.go

@@ -0,0 +1,20 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "sub-store",
+	Short: "Sub-Store — subscription aggregation and proxy management",
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}