Merge origin/master into master

sidepanel/sidepanel.html

@@ -34,8 +34,17 @@
     </div>
     <div class="header-btns">
       <div class="run-group">
-        <button id="btn-contribution-mode" class="btn btn-outline btn-sm btn-contribution-mode" type="button"
-          aria-pressed="false" title="进入贡献模式并打开上传页">贡献/使用</button>
+        <div class="contribution-entry">
+          <button id="btn-contribution-mode" class="btn btn-outline btn-sm btn-contribution-mode" type="button"
+            aria-pressed="false" title="进入贡献模式并打开上传页">贡献/使用</button>
+          <div id="contribution-update-hint" class="contribution-update-hint" aria-live="polite" hidden>
+            <p id="contribution-update-hint-text" class="contribution-update-hint-text">
+              公告 / 使用教程有更新了，可点上方“贡献/使用”查看。
+            </p>
+            <button id="btn-dismiss-contribution-update-hint" class="contribution-update-hint-close" type="button"
+              aria-label="关闭更新提示" title="关闭更新提示">×</button>
+          </div>
+        </div>
         <input type="number" id="input-run-count" class="run-count-input" value="1" min="1" max="50" title="运行次数" />
         <button id="btn-auto-run" class="btn btn-success" title="自动执行全部步骤">
           <svg width="14" height="14" viewBox="0 0 24 24" fill="currentColor">
@@ -724,6 +733,7 @@
   <script src="../luckmail-utils.js"></script>
   <script src="../data/step-definitions.js"></script>
   <script src="update-service.js"></script>
+  <script src="contribution-content-update-service.js"></script>
   <script src="hotmail-manager.js"></script>
   <script src="mail-2925-manager.js"></script>
   <script src="icloud-manager.js"></script>