Change background color from black to white index.html

This commit is meant to fix farooqkz#36

Author: plan5

src/index.html

@@ -6,7 +6,7 @@
       name="viewport"
       content="width=device-width, initial-scale=1, shrink-to-fit=yes"
     />
-    <meta name="theme-color" content="#000000" />
+    <meta name="theme-color" content="#ffffff" />
     <script type="module" src="index.tsx"></script>
     <title>chooj</title>
   </head>