E2E List cmd and added API calls (#3)

* Completed List cmd and added API calls

* Minor comments and add delete code to pass linting

* Typo in descriptions

* Minor comments

* Validations

* Validations-1

* improved branch flag validation

* removed build

* Minor comments and Readme

cmd/root.go

@@ -6,11 +6,13 @@ import (
 	"github.com/spf13/cobra"
 )
 
+const VERSION = "0.0.1"
+var COMMAND string = ""
+
 var rootCmd = &cobra.Command{
 	Use:   "gh-actions-cache",
 	Short: "Works with GitHub Actions Cache. ",
 	Long:  `Works with GitHub Actions Cache.`,
-	// Run: func(cmd *cobra.Command, args []string) {},
 }
 
 func Execute() {