Update social media card to make it large

templates/meta.html

@@ -3,7 +3,7 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <meta name="description" content="{{ _('Defend yourself against tracking and surveillance. Circumvent censorship.') }} | {{ this.title }}">
-<meta name="twitter:card" content="summary" />
+<meta name="twitter:card" content="summary_large_image"/>
 <meta name="twitter:site" content="@torproject" />
 <meta name="twitter:creator" content="@torproject" />
 <meta name="twitter:image" content="https://donate.torproject.org/static/images/donate/social-media-card.png"/>