fix Android link on frontend

fix https://github.com/lesspass/lesspass/issues/169

index.html

@@ -273,7 +273,7 @@
                 <h2>Supported Platforms</h2>
                 <div class="card-deck text-center justify-content-center">
                     <div class="card">
-                        <a class="card-block text-success" href="https://play.google.com/store/apps/details?id=com.lesspass.cordova&hl=en">
+                        <a class="card-block text-success" href="https://play.google.com/store/apps/details?id=com.lesspass.android&hl=en">
                             <div class="card-title"><i class="fa fa-fw fa-3x fa-android" aria-hidden="true"></i></div>
                             <div class="card-text">
                                 Android