add .gitlab-ci.yml

.gitlab-ci.yml

+image: alpine:latest
+
+stages:
+  - test
+  - deploy
+
+test-job:
+  stage: test
+  script:
+    - echo "Testing files exist..."
+    - test -f  public/index.html
+    - test -f  public/main.js
+    - test -f  public/settings.js
+    - test -f  public/assets/css/style.css
+    - test -f  public/assets/css/mobile.css
+    - test -f  public/assets/images/header.jpg
+    - test -f  public/assets/images/hft_logo.svg
+    - test -f  public/home/index.html
+    - echo "Test finished, all ok"
+  only:
+    - master
+
+pages:
+  stage: deploy
+  script:
+    - echo "Deploying to https://transfer.hft-stuttgart.de/pages/$CI_PROJECT_PATH/"
+  artifacts:
+    paths:
+      - public
+  only:
+    - master
\ No newline at end of file