feat: add new interface method to firewals

cmd/banforge/command/version.go

@@ -0,0 +1,17 @@
+package command
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var version = "0.4.3"
+
+var VersionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "BanForge version",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("BanForge version:", version)
+	},
+}