modified gitignore, template ci file

.gitignore

+
+/.idea/
+/venv/
+/*.iml
+
+.DS_Store
+
+/tmp
+/site

.gitlab-ci-pages.yml

+stages:
+ - pages
+ - trigger
+
+pages:
+  stage: pages
+  image: "docudoc/py3mkdocs-weasyprint"
+  script:
+    - cp README.md docs/index.md
+    - mkdocs build
+    - mv site public
+  artifacts:
+    paths:
+      - public
+    expire_in: 24 hours
+  only:
+    - docs
+
+trigger_build:
+  stage: trigger
+  before_script:
+    - apk add --update curl && rm -rf /var/cache/apk/*
+  script:
+    - "curl -X POST -F token=$PORTAL_TRIGGER_TOKEN -F ref=master https://dev.iopsys.eu/api/v4/projects/303/trigger/pipeline"
+  only:
+    - docs