Added Pyr0x1 in CREDITS.md (#4805)

CREDITS.md

@@ -153,6 +153,7 @@ People are sorted by name so please keep this order.
 * [printfuck](https://github.com/printfuck): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:printfuck), [Web](https://eris.cc)
 * [proletarius101](https://github.com/proletarius101): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:proletarius101)
 * [purexo](https://github.com/purexo): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:purexo), [Web](https://purexo.mom/)
+* [Pyr0x1](https://github.com/Pyr0x1): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:Pyr0x1)
 * [Quent-in](https://github.com/Quent-in): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:Quent-in)
 * [Quentin Dufour](https://github.com/superboum): [contributions](https://github.com/FreshRSS/documentation/pulls?q=is:pr+author:superboum), [Web](http://quentin.dufour.io/)
 * [Quentin Pagès](https://github.com/Quenty31): [contributions](https://github.com/FreshRSS/documentation/pulls?q=is:pr+author:Quenty31)