feat: cloudmusic icon url, demo offline icon (icon.svg)

manifest.json

@@ -9,13 +9,14 @@
       "url": "apps/demo/index.html",
       "offline": {
         "package": "offlines/demo.zip",
-        "version": "1.0.0"
+        "version": "1.0.0",
+        "icon": "icon.svg"
       }
     },
     {
       "id": "cloudmusic",
       "name": "网易云音乐",
-      "icon": "icons/cloudmusic.svg",
+      "icon": "http://p3.music.126.net/tBTNafgjNnTL1KlZMt7lVA==/18885211718935735.jpg",
       "url": "https://music.163.com/st/webplayer",
       "ua": "desktop",
       "scale": 65