docs: add link to showcase page

Author: hughfenghen

doc-site/docs/showcase/ShowcaseCards.tsx

@@ -33,7 +33,10 @@ const ShowcaseCards: React.FC<ShowcaseCardsProps> = ({
 }) => {
   return (
     <>
-      <div className="text-center italic">{tips}</div>
+      <div
+        className="text-center italic"
+        dangerouslySetInnerHTML={{ __html: tips }}
+      />
       <div className="flex flex-wrap">
         {list?.map((item, index) => (
           <div key={index} className="mx-8 my-6">

doc-site/docs/showcase/data.en-US.ts

@@ -1,5 +1,5 @@
 export default {
-  tips: 'Projects utilizing WebAV can submit their work via issues for recommendation—open-source projects are free; commercial products should contact the author to discuss sponsorship fees.',
+  tips: 'Projects utilizing WebAV can submit their work via issues for recommendation—open-source projects are free; commercial products should <a href="https://fenghen.me/posts/2025/04/11/business-cooperation/" target="_blank">contact the author</a> to discuss sponsorship fees.',
   list: [
     {
       name: 'WebAV Pro',

doc-site/docs/showcase/data.ts

@@ -1,5 +1,5 @@
 export default {
-  tips: '使用了 WebAV 的项目可创建 Issue 投稿推荐自己的作品，开源项目免费，商业产品请联系作者详聊赞助费。',
+  tips: '使用了 WebAV 的项目可创建 Issue 投稿推荐自己的作品，开源项目免费，商业产品请<a href="https://fenghen.me/posts/2025/04/11/business-cooperation/" target="_blank">联系作者</a>详聊赞助费。',
   list: [
     {
       name: 'WebAV Pro',