Cover via params

apps/streams.js

 const VideoConfig = Object.seal({
     videoOn: true,
     audioOn: true,
-    videoCover: false,
+    get videoCover() {
+        return params.get('c') === '1'
+    },
     get video() {
         return VideoConfig.videoOn
         && params.get('v') !== '0'
         return [
             m('button', {onclick: VideoConfig.toggle('videoOn')}, 'video'),
             m('button', {onclick: VideoConfig.toggle('audioOn')}, 'audio'),
-            m('button', {onclick: VideoConfig.toggle('videoCover')}, 'cover'),
         ]
     }
 })