Add: ranking for app

src/game/start/start.js

@@ -33,6 +33,8 @@ class Start {
 		// contents
 		this.loadHowToPlay(sessionStorageManager.playingAppID);
 		this.makeStartButton();
+		this.makeRankingButton();
+
 		if(sessionStorageManager.maestroAccountType >= 100) {	// experience account
 			this.printSampleChart();
 			this.announceBox = new AnnounceBox(50, 648);
@@ -141,6 +143,22 @@ class Start {
 		let startButton = new RoundRectButton(setting, RoundRectButton.NONE_ICON, "시작", this.startStage);
 	}
 
+	makeRankingButton() {
+		let setting = new RoundRectButtonSetting(game.world.centerX + 160, game.world.centerY, 60, 60);
+		setting.fontStyle = {
+			font: "18px Arial",
+			boundsAlignH: "center",		// left, center. right
+			boundsAlignV: "middle", 	// top, middle, bottom
+			fill: "#fff"
+		};
+
+		let rankingButton = new RoundRectButton(
+			setting, RoundRectButton.NONE_ICON, "순위\n보기",
+			() => {
+				location.href = '../../web/client/ranking.html';
+			});
+	}
+
 
 	startStage() {
 		if(isTypingPracticeStage())