add irail

README.md

@@ -58,6 +58,7 @@ A collective list of JSON APIs for use in web development.
 | API | Description | OAuth |Link |
 |---|---|---|---|
 | Transport for London | TFL API | No | [Go!](https://api.tfl.gov.uk) |
+| Transport for Belgium | Belgian transport API | No | [Go!](https://hello.irail.be/api/) |
 
 ### Development