[ci] Added CI

.gitlab-ci.yml

+image: php:latest
+
+stages:
+  - build
+  - test
+
+cache:
+  - key:
+      files:
+        - composer.lock
+    paths:
+      - vendor/
+
+before_script:
+  - curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
+  - pecl install xdebug
+  - docker-php-ext-enable xdebug
+  - echo "xdebug.mode=coverage" >> /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+  - apt-get update
+  - apt-get install -y git unzip
+  - composer install
+
+
+tests:
+  stage: test
+  script:
+    - php artisan test --coverage
+
+
+apidoc:
+  stage: build
+  script:
+    - php artisan l5-swagger:generate
+  artifacts:
+    paths:
+      - storage/api-docs/api-docs.json
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