Update README.md
This updates README.md with on-boarding packit into rear.
@@ -145,6 +145,7 @@ Options:
--------------------|---------------------------|----------------------------------------------------------------------
anaconda | @jkonecny12 | [BZ1697339](https://bugzilla.redhat.com/show_bug.cgi?id=1697339)
[standard-test-roles](https://pagure.io/standard-test-roles)| | [PR325](https://pagure.io/standard-test-roles/pull-request/325)
+ rear | @gdha | [PR2145](https://github.com/rear/rear/pull/2145)
## Resources
