Add CI

.gitlab-ci.yml

+stages:
+  - test
+
+lint:
+  stage: test
+  image: homeassistant/amd64-homeassistant
+  before_script:
+    - mkdir -p /home/pi/ssl
+    - touch /home/pi/ssl/chain
+    - touch /home/pi/ssl/key
+  script:
+    - hass --script check_config -c .

README.md

-# [Home Assistant](https://home-assistant.io/) Configurations
+# [Home Assistant](https://home-assistant.io/) Configurations [![pipeline status](https://git.ethitter.com/open-source/Home-Assistant-Config/badges/master/pipeline.svg)](https://git.ethitter.com/open-source/Home-Assistant-Config/commits/master)
 
 My configuration files for the open-source [Home Assistant](https://home-assistant.io/) home-automation platform. Provided as a reference, with no warranty or other support. Released under GPL 2.