Update CREDITS.md (#2152)
Update CREDITS.md (#2152)

* Update CREDITS.md

Added myself (thomas-gt, see #2151).
Thanks.

* alphabetical

Alkarex/FreshRSS,marienfressinaud/FreshRSS,romibi/FreshRSS,aledeg/FreshRSS,marienfressinaud/FreshRSS,Alkarex/FreshRSS,FreshRSS/FreshRSS,FreshRSS/FreshRSS,marienfressinaud/FreshRSS,marienfressinaud/FreshRSS,aledeg/FreshRSS,Alkarex/FreshRSS,romibi/FreshRSS,FreshRSS/FreshRSS,Alkarex/FreshRSS,romibi/FreshRSS,aledeg/FreshRSS,FreshRSS/FreshRSS,aledeg/FreshRSS,romibi/FreshRSS