refactor(cmd): add backup command to cli

internal/version/version.go

@@ -0,0 +1,17 @@
+package version
+
+import (
+	"fmt"
+)
+
+var (
+	version           = "undefined"
+	versionPrerelease = "dev" //nolint:gochecknoglobals // this has to be a variable to set the version during release.
+)
+
+func Version() string {
+	if versionPrerelease != "" {
+		return fmt.Sprintf("%s-%s", version, versionPrerelease)
+	}
+	return version
+}