Added travis configuration

Author: zen

.travis.yml

@@ -0,0 +1,18 @@
+language: ruby
+rvm:
+- 2.3
+
+before_script:
+ - chmod +x ./script/cibuild # or do this locally and commit
+
+script: ./script/cibuild
+
+branches:
+  only:
+  - master
+
+env:
+  global:
+  - NOKOGIRI_USE_SYSTEM_LIBRARIES=true # speeds up installation of html-proofer
+
+sudo: false # route your build to the container-based infrastructure for a faster build

Gemfile

@@ -0,0 +1,8 @@
+source "https://rubygems.org"
+
+gem "jekyll"
+gem "jekyll-redirect-from"
+gem "jekyll-paginate"
+gem "jekyll-sitemap"
+gem "jekyll-feed"
+gem "html-proofer"

_config.yml

@@ -2,4 +2,6 @@ theme: jekyll-theme-slate
 title: EnviroMonitor - Community and Open Source air quality monitoring
 description: EnviroMonitor is a community and Open Source project to help monitor air quality around the world. We measure PM2.5 and PM10 as well as temperature, humidity and barometric pressure. Data is collected at global site and can be sent to WeatherUnderground.
 show_downloads: false
-google_analytics: UA-89513736-1
+google_analytics: UA-89513736-1
+exclude:
+  - vendor

script/cibuild

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -e # halt script on error
+
+bundle exec jekyll build
+bundle exec htmlproofer ./_site