* added list and exec commands

cmd/list/list.go

@@ -0,0 +1,29 @@
+package list
+
+import (
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"os"
+)
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List all known commands and their aliases",
+	Run: func(cmd *cobra.Command, args []string) {
+		t := table.NewWriter()
+		t.SetOutputMirror(os.Stdout)
+		t.AppendHeader(table.Row{"Alias", "Command"})
+
+		commands := viper.GetStringMapString("data")
+
+		for alias, command := range commands {
+			t.AppendRow(table.Row{alias, command})
+		}
+		t.Render()
+	},
+}
+
+func Cmd() *cobra.Command {
+	return listCmd
+}