Add jobdata API (#362)

Update README.md

README.md

@@ -1141,6 +1141,7 @@
 | [DevITjobs UK](https://devitjobs.uk/job_feed.xml) | Jobs with GraphQL | No | Yes | Yes |
 | [Findwork](https://findwork.dev/developers/) | Job board | `apiKey` | Yes | Unknown |
 | [GraphQL Jobs](https://graphql.jobs/docs/api/) | Jobs with GraphQL | No | Yes | Yes |
+| [jobdata API](https://jobdataapi.com/) | Simple Job Data API | `apiKey` | Yes | Unknown |
 | [Jobs2Careers](http://api.jobs2careers.com/api/spec.pdf) | Job aggregator | `apiKey` | Yes | Unknown |
 | [Jooble](https://jooble.org/api/about) | Job search engine | `apiKey` | Yes | Unknown |
 | [Jobicy](https://jobicy.com/jobs-rss-feed) | Remote Jobs API Feed | No | Yes | Unknown |