enhance: clearly link documentation

fix #8744

README.md

@@ -47,6 +47,10 @@ With Misskey's built in drive, you get cloud storage right in your social media,
 
 <div style="clear: both;"></div>
 
+## Documentation
+
+Misskey Documentation can be found at [Misskey Hub](https://misskey-hub.net/), some of the links and graphics above also lead to specific portions of it.
+
 ## Sponsors
 <div align="center">
 	<a class="rss3" title="RSS3" href="https://rss3.io/" target="_blank"><img src="https://rss3.mypinata.cloud/ipfs/QmUG6H3Z7D5P511shn7sB4CPmpjH5uZWu4m5mWX7U3Gqbu" alt="RSS3" height="60"></a>