Update README.md

README.md

@@ -5,6 +5,8 @@ The version of netdb_client has been synced with the version of the latest suppo
 From version 3.1 onwards the config option `version` has been dropped. This is because the API Library is built against a specific WebAPI Version and is not cross-compatible with different WebAPI versions.
 The existing config files can still be used, but the config option will be ignored.
 
+See also: [API 3.0 -> API 3.1 wiki article](https://git.scc.kit.edu/scc-net/netvs/netdb-client-lib/-/wikis/API-3.0---3.1-Migration-Guide)
+
 ## Install
 ### Pre-Built (updated every night)
 `pip install https://git.scc.kit.edu/scc-net/netvs/netdb-client-lib/-/jobs/artifacts/master/raw/dist/netdb_client-3.1-py3-none-any.whl?job=build`