fix: update command name from ggit to gogit

Author: aymanbagabas

cmd/gogit/main.go

@@ -13,8 +13,8 @@ import (
 )
 
 var rootCmd = &cobra.Command{
-	Use:   "ggit [<args>] <command>",
-	Short: "ggit is a Git CLI that uses go-git as its backend.",
+	Use:   "gogit [<args>] <command>",
+	Short: "gogit is a Git CLI that uses go-git as its backend.",
 	RunE: func(cmd *cobra.Command, _ []string) error {
 		return cmd.Usage()
 	},