Merge pull request #171 from jbuller/patch-3

Update jobs.md

Author: brunopulis

topics/jobs.md

@@ -1,4 +1,6 @@
 # Jobs
 
 * [A11y Jobs](https://www.a11yjobs.com/)
+* [A11y Careers on Twitter](https://twitter.com/a11ycareers)
+* [A11y Careers on LinkedIn](https://www.linkedin.com/groups/14152047/)
 * [Accessibility Jobs](https://www.indeed.com/q-accessibility-jobs.html)