Add: animal icon for typing app button

src/game/menu/menu_typing_test.js

@@ -6,6 +6,8 @@ class MenuTypingTest {
 	preload() {
 		game.load.image('icon_fullscreen', '../../../resources/image/icon/fullscreen_white.png');
 		game.load.image('space_invaders', '../../../resources/image/icon/space_invaders.png');
+
+		Animal.loadResources();
 	}
 
 	create() {
@@ -113,9 +115,11 @@ class MenuTypingTest {
 				TypingAppButton.BUTTON_UPPER_POS_Y
 			);
 
+			let iconImage = "snail_shadow";
 			let typingTestButton = new TypingAppButton(
+				TypingAppButton.TYPE_TEST_KOREAN,
 				posX, posY,
-				TypingAppButton.NONE_ICON,
+				iconImage,
 				activeApp.KoreanName,
 				() => {
 					sessionStorageManager.playingAppID = activeApp.AppID;
@@ -137,9 +141,11 @@ class MenuTypingTest {
 				TypingAppButton.BUTTON_LOWER_POS_Y
 			);
 
+			let iconImage = "snail_shadow";
 			let typingTestButton = new TypingAppButton(
+				TypingAppButton.TYPE_TEST_ENGLISH,
 				posX, posY,
-				TypingAppButton.NONE_ICON,
+				iconImage,
 				activeApp.KoreanName,
 				() => {
 					sessionStorageManager.playingAppID = activeApp.AppID;