Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -4,6 +4,7 @@ pages:
   script:
   - apk --no-cache add py3-pip python-dev
   - pip install sphinx
+  - pip install sphinx-autodoc-typehints
   - apk --no-cache add make
   - cd docs && make html
   - mv build/html/ public/