Add Travis CI configuration and README badges

.travis.yml

@@ -0,0 +1,20 @@
+language: php
+
+sudo: false
+
+php:
+  - 7.1
+  - 7.2
+
+before_script:
+  - composer install
+
+script:
+  - composer travis
+
+after_success:
+ - wget https://github.com/php-coveralls/php-coveralls/releases/download/v1.0.1/coveralls.phar -O coveralls.phar
+ - php coveralls.phar -v
+
+notifications:
+  email: false

README.md

@@ -1,2 +1,6 @@
 # graphql-datetime-scalar-php
+
+[![Build Status](https://travis-ci.org/digiaonline/graphql-datetime-scalar-php.svg?branch=master)](https://travis-ci.org/digiaonline/graphql-datetime-scalar-php)
+[![Coverage Status](https://coveralls.io/repos/github/digiaonline/graphql-datetime-scalar-php/badge.svg?branch=master)](https://coveralls.io/github/digiaonline/graphql-datetime-scalar-php?branch=master)
+
 Date, Time and DateTime scalar types for our GraphQL implementation

composer.json

@@ -32,6 +32,10 @@
         "test": [
             "phpunit",
             "phpstan analyse -l 7 src/"
+        ],
+        "travis": [
+            "phpunit --coverage-clover build/logs/clover.xml",
+            "phpstan analyse -l 4 src/"
         ]
     }
 }