Add page as new CI task

.gitlab-ci.yml

@@ -8,13 +8,27 @@ unbutu:17.10:
   script:
     - pip3 install -e .
     - nosetests
-    - python3 setup.py build_sphinx
-    - cp -r build/sphinx/html public
   artifacts:
     when: always
     untracked: true
     paths:
-      - public
       - build
     expire_in: 8d
 
+# doc template
+.doc: &doc
+  script:
+    - pip3 install -e .
+    - python3 setup.py build_sphinx
+    - cp -r build/sphinx/html public
+  artifacts:
+    paths:
+      - public
+
+pages:
+  <<: *doc
+  image: registry.gitlab.lis-lab.fr:5005/dev/scikit-splearn
+  tags:
+    - docker
+  only:
+    - master