Update CREDITS.md (#4334)

* Update CREDITS.md

* Alphabetic order

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

CREDITS.md

@@ -24,6 +24,7 @@ People are sorted by name so please keep this order.
 * [ASMfreaK](https://github.com/ASMfreaK): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:ASMfreaK)
 * [Bartosz Taudul](https://github.com/wolfpld): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:wolfpld), [Web](https://wolf.nereid.pl/)
 * [Benjamin Bouvier](https://github.com/bnjbvr): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:bnjbvr), [Web](https://benj.me/)
+* [bluewhale235](https://github.com/BuleWhale): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:BuleWhale)
 * [bpatath](https://github.com/bpatath): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:bpatath)
 * [Brewal Bouvet](https://github.com/Jucgshu): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:Jucgshu), [Web](https://dizolo.eu/)
 * [Brooke.](https://github.com/BrookeDot): [contributions](https://github.com/FreshRSS/FreshRSS/pulls?q=is:pr+author:BrookeDot), [Web](https://brooke.codes/)