Add Text displaying if the user is running an Experimental Version of CodenameEngine (#933)

* cmon github actions, do something

* this will make it easier to know if a user is running an experimental version :trollface:

source/funkin/backend/system/framerate/CodenameBuildField.hx

@@ -13,8 +13,13 @@ class CodenameBuildField extends TextField {
 	}
 
 	public function reload() {
+		#if COMPILE_EXPERIMENTAL
+		text = '${Flags.VERSION_MESSAGE} (Experimental Build)';
+		#else
 		text = '${Flags.VERSION_MESSAGE}';
-		#if debug
+		#end
+
+		#if (debug || COMPILE_EXPERIMENTAL)
 		text += '\n${Flags.COMMIT_MESSAGE}';
 		#end
 	}