Feat: Show the copy button after clicking the getLuck button

fortune_generator/index.html

@@ -100,7 +100,7 @@
     <div class="row">
       <i class="col-2 bx bx-moon" id="dark-mode-icon"></i>
       <button class="col-4 offset-2 bi bi-files" id="btn" onclick="getLuck()">點擊打卡</button>
-      <i class="col-2 offset-2 fas fa-clone" id="copy-result" onclick="copyResultImageToClipboard()"></i>
+      <i class="col-2 offset-2 fas fa-clone d-none" id="copy-result" onclick="copyResultImageToClipboard()"></i>
     </div>
 
   </div>

fortune_generator/js/fortune.js

@@ -285,6 +285,7 @@ function Appear() {
       J_l_2_desc.html(l_2_desc);
     }
   }
+  $("#copy-result").removeClass("d-none");
 }
 
 function getLuck() {