Added CI config

.gitignore

-.idea/

.gitlab-ci.yml

+variables:
+  PROJECT_NAME: dev-courses/auth-php-xml
+
+demo:
+  stage: deploy
+  script:
+    - rm -rf .git .gitignore .gitlab-ci.yml
+    - rm -rf $GVIA_DEMO_DIR/$PROJECT_NAME
+    - mkdir -p $GVIA_DEMO_DIR/$PROJECT_NAME
+    - cp -R ./ $GVIA_DEMO_DIR/$PROJECT_NAME/
+  only:
+    - master