Update index.tsx

Docs link fix

packages/app/src/components/contact-modal/index.tsx

@@ -66,8 +66,8 @@ const rightLinkList = [
   {
     icon: <DocIcon />,
     title: 'Check Our Docs',
-    subTitle: 'Open Source',
-    link: 'https://github.com/toeverything/AFFiNE',
+    subTitle: 'docs.AFFiNE.pro',
+    link: 'https://docs.affine.pro',
   },
 ];