Merge pull request #867 from modelix/api-ref-cname

ci: add cname to api ref workflow

Author: mhuster23

.github/workflows/docs.yaml

@@ -29,3 +29,4 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: build/dokka
+          cname: api.modelix.org