Добавлена команда version для отображения версии

cmd/version.go

@@ -0,0 +1,23 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"elyby/minecraft-skinsystem/bootstrap"
+	"runtime"
+)
+
+var versionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Show the Minecraft Skinsystem version information",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf("Version:    %s\n",    bootstrap.GetVersion())
+		fmt.Printf("Go version: %s\n",    runtime.Version())
+		fmt.Printf("OS/Arch:    %s/%s\n", runtime.GOOS, runtime.GOARCH)
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(versionCmd)
+}