added style check to gitlab ci

.gitlab-ci.yml

@@ -2,6 +2,10 @@ stages:
     - test_code
     - update_docs
 
+check_style:
+    stage: test_code
+    script:
+        - tox -e style
 
 windows_tests:
     stage: test_code
@@ -27,7 +31,7 @@ update_docs:
         - pyenv local $(latest_python 3.7)
         - tox -e docs
         - cp -R htmlcov docs/_build/html
-        - rsync -r docs/_build/html/* emzed.ethz.ch:htdocs/3/emzed.ext.mzmine2
+        - rsync -r docs/_build/html/* emzed.ethz.ch:htdocs/3/emzed.ext.mzmine2/
     only:
         - master
     when: manual