Update manual links

Author: andersevenrud

README.md

@@ -32,7 +32,7 @@ npm run package:discover
 
 ## Documentation
 
-See the [Official Manuals](https://manual.os-js.org/v3/) for articles, tutorials and guides.
+See the [Official Manuals](https://manual.os-js.org/) for articles, tutorials and guides.
 
 ## Links