solve enums1.rs exercise

exercises/enums/enums1.rs

@@ -1,11 +1,15 @@
 // enums1.rs
 // Make me compile! Execute `rustlings hint enums1` for hints!
 
-// I AM NOT DONE
+// June 2/21 DONE
 
 #[derive(Debug)]
 enum Message {
     // TODO: define a few types of messages as used below
+	Quit,
+	Echo,
+	Move,
+	ChangeColor,
 }
 
 fn main() {