Add Travis CI configuration

Author: mzur

README.md

@@ -2,10 +2,11 @@
 
 Submit jobs to and receive jobs from other Laravel or Lumen instances.
 
+[![Build Status](https://travis-ci.org/biigle/laravel-remote-queue.svg)](https://travis-ci.org/biigle/laravel-remote-queue)
+
 ## Installation
 
 ```
-composer config repositories.laravel-remote-queue vcs https://github.com/biigle/laravel-remote-queue
 composer require biigle/laravel-remote-queue
 ```
 

src/.travis.yml

@@ -0,0 +1,12 @@
+language: php
+install:
+    - rm -rf vendor
+    - composer install
+script:
+    - vendor/bin/phpunit
+sudo: false
+php:
+  - 7.1
+  - 7.2
+matrix:
+  fast_finish: true