add ios instructions

web/summary.html

@@ -5,7 +5,7 @@
     <title>7am weather for {{.LocationName}}</title>
 
     <meta name="description" content="Weather summary for {{.LocationName}}">
-    <meta name="twitter:card" content="summary">
+    <meta name="twitter:card" content="summary_large_image" />
     <meta property="og:title" content="7am Weather">
     <meta property="og:description" content="Weather summary for {{.LocationName}}">
     <meta property="og:image" content="/hero.png">
@@ -27,9 +27,9 @@
             <a class="back-link" href="/">&lt;- All locations</a>
             <p class="summary">{{.Summary}}</p>
             <button type="button" id="get-summary-btn" data-loc="{{.Location}}">Get daily summary at 7am</button>
+            <a href="/instructions" class="instructions-link">Instructions for iPhone</a>
         </main>
     </div>
-    <script src="/summary.js"></script>
 </body>
 
 </html>