Reduce default volume

Author: debugger22

app/index.html

@@ -6,20 +6,27 @@
     <meta name="title" content="GitHub Audio">
     <meta name="description" content="Listen to music generated by events happening across GitHub">
     <meta name="keywords" content="github, github music, github events, github visualization, listen, recent changes, sound, music, visualization">
+    <meta name='summary' content='Events on GitHub, such as pushing commits, creating pull requests, creating issues, etc. are captured and converted to music notes based on the size of the data.'>
+
     <meta name="og:title" content="GitHub Audio">
     <meta name="og:url" content="https://github.audio">
     <meta name="og:image" content="https://github.audio/static/public/images/electric-guitar.png">
     <meta name="og:description" content="Listen to music generated by events happening across GitHub">
 
-
     <meta name="twitter:card" content="summary" />
     <meta name="twitter:site" content="https://github.audio" />
     <meta name="twitter:title" content="GitHub Audio" />
     <meta name="twitter:description" content="Listen to music generated by events happening across GitHub" />
     <meta name="twitter:image" content="https://github.audio/static/public/images/electric-guitar.png" />
     <meta name="viewport" content="width=device-width, initial-scale=1">
 
+    <meta http-equiv='Expires' content='0'>
+    <meta http-equiv='Pragma' content='no-cache'>
+    <meta http-equiv='Cache-Control' content='no-cache'>
+    <meta http-equiv='imagetoolbar' content='no'>
+
     <title>GitHub Audio</title>
+    <link rel="mask-icon" href="/static/public/images/electric-guitar.svg" color="orange">
     <link rel="shortcut icon" type="image/png" href="/static/public/images/favicon.png"/>
     <link rel="stylesheet" href="/static/public/css/main.css"/>
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/odometer/0.4.7/themes/odometer-theme-default.css" />

app/public/js/main.js

@@ -167,7 +167,7 @@ $(function(){
       $('#cmdMute').attr('src', '/static/public/images/speaker-muted.svg');
     }
   });
-  Howler.volume(1);
+  Howler.volume(0.6);
 
 });