feat: Add backbone (cobra cmd) of slut & add version command

cmd/root.go

@@ -0,0 +1,19 @@
+package cmd
+
+import (
+	"github.com/sikalabs/slut/cmd/version"
+	"github.com/spf13/cobra"
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "slut",
+	Short: "SikaLabs Utils",
+}
+
+func Execute() {
+	cobra.CheckErr(rootCmd.Execute())
+}
+
+func init() {
+	rootCmd.AddCommand(version.VersionCmd)
+}

cmd/version/version.go

@@ -0,0 +1,18 @@
+package version
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var version string = "v0.1.0-dev"
+
+var VersionCmd = &cobra.Command{
+	Use:   "version",
+	Short: "Prints version",
+	Args:  cobra.NoArgs,
+	Run: func(c *cobra.Command, args []string) {
+		fmt.Printf("%s\n", version)
+	},
+}

go.mod

@@ -1,3 +1,5 @@
 module github.com/sikalabs/slut
 
 go 1.16
+
+require github.com/spf13/cobra v1.2.1