Add Analytics

Fix an error statement

public/index.html

@@ -4,6 +4,11 @@
     <meta charset="utf-8">
     <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <script>let _paq = window._paq || [];
+    _paq.push(['trackPageView'], ['enableLinkTracking'], ['setSiteId', '2'],
+        ['setTrackerUrl', 'https://stats.ixarea.com/ixarea-stats/report']);
+    </script>
+    <script async src="https://stats.ixarea.com/ixarea-stats.js"></script>
     <link rel="icon" href="<%= BASE_URL %>favicon.ico">
     <title>音乐解锁 - By IXarea</title>
     <meta content="音乐,解锁,ncm,qmc,qmc0,qmc3,qmcflac,qq音乐,网易云音乐,加密" name="keywords"/>