Basmallah url should not force http

Fixes #416

src/config.js

@@ -79,7 +79,7 @@ module.exports = Object.assign({
       ],
       style: [
         {cssText: `@font-face {font-family: 'bismillah';
-          src: url('http://quran-1f14.kxcdn.com/fonts/ttf/bismillah.ttf') format('truetype')}
+          src: url('//quran-1f14.kxcdn.com/fonts/ttf/bismillah.ttf') format('truetype')}
           .bismillah{font-family: 'bismillah'; font-size: 36px !important; color: #000; padding: 25px 0px;}` // eslint-disable-line max-len
         }
       ]