chore: Add donation link and QQ group to navigation bar

docs/index.html

@@ -92,9 +92,10 @@
             </div>
             <a class="item" href="./document/">Document</a>
             <a class="item" href="https://github.com/zhw2590582/ArtPlayer">Github</a>
+            <a class="item" href="./donate.html">☕ 捐助</a>
+            <span class="item" href="#">Q群: 320881312</span>
         </div>
         <div class="tool">
-            <div class="qq">QQ群•320881312</div>
             <div class="checkbox">
                 <input type="checkbox" id="ts">
                 <label for="ts">TS</label>