Added Travis CI.

Author: Sandeesh

.env.travis

@@ -0,0 +1,9 @@
+APP_ENV=testing
+APP_KEY=randomkeyreplacethis
+
+DB_CONNECTION=mysql
+DB_HOST=127.0.0.1
+DB_PORT=3306
+DB_DATABASE=realworld_test
+DB_USERNAME=root
+DB_PASSWORD=

.travis.yml

@@ -0,0 +1,25 @@
+language: php
+
+php:
+  - 7.0
+  - 7.1
+
+before_script:
+  - cp .env.travis .env
+  - composer self-update
+  - composer install --prefer-source --no-interaction --dev
+  - php artisan key:generate
+  - php artisan jwt:generate
+  - php artisan migrate
+
+before_install:
+  - mysql -e 'CREATE DATABASE realworld_test;'
+
+script:
+  - phpunit
+
+services:
+  - mysql
+
+notifications:
+  email: false