favicon and update share icon

index.html

@@ -4,6 +4,7 @@
         <meta charset="UTF-8">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>RADICAL - Australia's Democratic Revolution</title>
+        <link rel="icon" href="https://radical.omar-c29.workers.dev/memes/favicon.jpg" type="image/png">
         <link rel="preconnect" href="https://fonts.googleapis.com">
         <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
         <link
@@ -1408,8 +1409,8 @@
           </button>
           <span class="net-votes ${voteClass}">${netVotes > 0 ? '+' : ''}${netVotes}</span>
           <button class="share-button" data-proposal-id="${proposal.id}">
-            <span class="share-icon">🔗</span>
-          </button>
+  <img src="https://radical.omar-c29.workers.dev/memes/share-arrow-icon-md.png" alt="Share" class="share-icon" style="width: 14px; height: 14px;">
+</button>
         </div>
         <div class="proposal-time">${formatDate(proposal.timestamp)}</div>
       </div>