Update README.md (#603)

Author: jstriebel

wkcuber/README.md

@@ -135,7 +135,7 @@ tests/scripts/all_tests.sh
 PyPi releases are automatically pushed when creating a new Git tag/Github release. 
 
 ## API documentation
-Check out the [latest version of the API documentation](https://static.webknossos.org/lib-docs/master/wkcuber/api.html).
+Check out the [latest version of the API documentation](https://docs.webknossos.org/api/wkcuber.html).
 
 ### Generate the API documentation
 Run `docs/generate.sh` to open a server displaying the API docs. `docs/generate.sh --persist` persists the html to `docs/api`.