[#4] Add notice of launch key

main.go

@@ -185,7 +185,8 @@ func (m model) View() string {
 
 	// s += fmt.Sprintf("\n%+v", m.selected) // debug
 	s += fmt.Sprintf("%s\n", m.status)
-	s += "\nPress q to quit.\n"
+	s += "Press enter to launch.\n"
+	s += "Press q to quit.\n"
 
 	return s
 }