Added Indian Mirror

src/Packagist/WebBundle/Resources/views/mirrors/index.html.twig

@@ -16,6 +16,7 @@
   <li>Asia, China <a href="https://mirrors.aliyun.com/composer/">mirrors.aliyun.com/composer</a></li>
   <li>Asia, China <a href="https://pkg.phpcomposer.com/">pkg.phpcomposer.com</a></li>
   <li>Asia, Indonesia <a href="https://packagist.phpindonesia.id/">packagist.phpindonesia.id</a></li>
+  <li>Asia, India <a href="https://packagist.in/">packagist.in</a></li>
   <li>Asia, Japan <a href="https://packagist.jp/">packagist.jp</a></li>
   <li>South America, Brazil <a href="https://packagist.com.br/">packagist.com.br</a></li>
 </ul>