add gitlab ci stuff

.gitlab-ci.yml

@@ -0,0 +1,21 @@
+# you can delete this line if you're not using Docker
+# image: busybox:latest
+
+pages:
+  script:
+  - mkdir -p docs
+  - cd docs
+#  - apt install doxygen texlive-base texlive-latex-extra texlive-fonts-extra texlive-fonts-recommended python3-pip
+  - git clone git://github.com/mosra/m.css
+#  - pip3 install jinja2 Pygments
+  - ./m.css/documentation/doxygen.py ./Doxyfile-mcss
+  - cd ./latex
+  - make
+  - cp refman.pdf ../html/ScStwSharedLibraries.pdf
+  - cd ../
+  - mv ./html/ ../public/
+  artifacts:
+    paths:
+    - public
+  only:
+  - master