Add myself to credits (#7987)

https://github.com/FreshRSS/FreshRSS/pull/7986

CREDITS.md

@@ -105,6 +105,7 @@ People are sorted by name so please keep this order.
 * [hkcomori](https://github.com/hkcomori): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:hkcomori)
 * [hoilc](https://github.com/hoilc): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:hoilc)
 * [Holi](https://github.com/mikropsoft): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:mikropsoft)
+* [Horváth Zsolt](https://github.com/horvi28): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is%3Apr+author%3Ahorvi28)
 * [ibiruai](https://github.com/ibiruai): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:ibiruai)
 * [id-konstantin-stepanov](https://github.com/id-konstantin-stepanov): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:id-konstantin-stepanov)
 * [Ilias Vrachnis](https://github.com/vrachnis): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:vrachnis)