docs: add doc link

Signed-off-by: Wing-Kam Wong <wingkwong.code@gmail.com>

packages/noco-docs-prev/components/global/announcement.vue

@@ -1,6 +1,6 @@
 <template>
     <alert type="warning">
-    If you are using NocoDB with version 0.90 onwards, please check out the latest documentation <a href="#" target="_blank">here</a> instead. The documentation for previous versions is no longer maintained and will be completely removed on 30 Jun 2022. See <a href="https://github.com/nocodb/nocodb/issues/1564" target="_blank">v0.90 Important Announcement</a> for more.
+    If you are using NocoDB with version 0.90 onwards, please check out the latest documentation <a href="https://docs.nocodb.com/" target="_blank">here</a> instead. The documentation for previous versions is no longer maintained and will be completely removed on 30 Jun 2022. See <a href="https://github.com/nocodb/nocodb/issues/1564" target="_blank">v0.90 Important Announcement</a> for more.
     </alert>
 </template>