add fanpage

Author: HoangTran0410

popup/popup.html

@@ -16,10 +16,15 @@ <h3>
         <a target="_blank" href="https://github.com/HoangTran0410/useful-script">
             <i class="fa-solid fa-code"></i> source code
         </a>
+        <a target="_blank" href="https://www.facebook.com/groups/1154059318582088">
+            <b><i class="fa-solid fa-arrow-up-right-from-square"></i> Fanpage</b>
+        </a>
+        <br/>
         <span id="version"></span>
         <button id="update-btn">(update)</button>
         <p>Make with <i class="fa-solid fa-heart fa-beat" style="color:#ff0000a3"></i>
-            by <a target="_blank" href="https://github.com/HoangTran0410">Hoang Tran</a></p>
+            by <a target="_blank" href="https://github.com/HoangTran0410">Hoang Tran</a>
+        </p>
     </h3>
 
     <!-- Tab links -->

popup/styles/style.css

@@ -65,6 +65,11 @@ a:hover {
     top: 0px;
     right: 5px;
     cursor: pointer;
+    transition: all .2s;
+}
+
+#flag:hover {
+    transform: scale(1.1);
 }
 
 #open-in-new-tab {