Add new contributor to CREDITS.md (#6468)

* Add new contributor to CREDITS.md

* Add new contributor to CREDITS.md

---------

Co-authored-by: krm_shrrftdnv <Karim.Sharafutdinov@easycomm.ru>

CREDITS.md

@@ -112,6 +112,7 @@ People are sorted by name so please keep this order.
 * [Julien-Pierre Avérous](https://github.com/javerous): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:javerous), [Web](https://www.sourcemac.com/)
 * [Justin Tracey](https://github.com/jtracey): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:jtracey), [Web](https://unsuspicious.click)
 * [Kaibin Yang](https://github.com/SkyYkb): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:SkyYkb), [Web](https://kaibinyang.com/)
+* [Karim Sharafutdinov](https://github.com/krm-shrftdnv): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:krm-shrftdnv)
 * [Kasimir Cash](https://github.com/KasimirCash): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:KasimirCash)
 * [Kevin Papst](https://github.com/kevinpapst): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:kevinpapst), [Web](http://www.kevinpapst.de/)
 * [Kiblyn11](https://github.com/Kiblyn11): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:Kiblyn11)