Add rejoshed as owner/maintainer.

Author: Joshua Reed

OWNERS

@@ -2,3 +2,4 @@ approvers:
   - rohityadavcloud
   - davidjumani
   - maxdrib
+  - rejoshed

README.md

@@ -124,6 +124,7 @@ Thank you to all contributors and a special thanks to our current maintainers &
 | [@rohityadavcloud](https://github.com/rohityadavcloud)    | [@rohityadavcloud](https://github.com/rohityadavcloud) |
 | [@davidjumani](https://github.com/davidjumani)            | [@davidjumani](https://github.com/davidjumani)         |
 | [@maxdrib](https://github.com/maxdrib)                    | [@maxdrib](https://github.com/maxdrib)                 |
+| [@rejoshed](https://github.com/rejoshed)                  | [@rejoshed](https://github.com/rejoshed)               |
 
 All the CAPC contributors: