docs: 新增赞赏码展示

sa-token-doc/doc.html

@@ -134,7 +134,7 @@
 				<a class="p-none wzi" href="#/more/join-group">加入讨论群</a>
 				<a class="p-none wzi" href="#/more/demand-commit">需求提交</a>
 				<!-- <a class="p-none wzi" href="#/more/blog">博客</a> -->
-				<!-- <a class="p-none wzi" href="#/more/sa-token-donate">赞助</a> -->
+				<a class="p-none wzi" href="#/more/sa-token-donate">赞助</a>
 				<a class="p-none wzi" href="#/pro/st_doc_top">🔥 SSO/OAuth2 商业版</a>
 				<div class="zk-box">
 					<a class="wzi" href="javascript:;">