Added config file for travis to at least check the coding standard.

Author: BluePsyduck

.travis.yml

@@ -0,0 +1,17 @@
+language: php
+
+matrix:
+  fast_finish: true
+  include:
+    - php: 7.2
+
+install:
+  - composer update --no-interaction
+
+script:
+#  - vendor/bin/phpunit --coverage-clover=coverage.xml
+  - vendor/bin/phpcs -np --colors
+
+#after_success:
+#  - bash <(curl -s https://codecov.io/bash)
+