Update CONTRIBUTORS.md

CONTRIBUTORS.md

@@ -2,5 +2,7 @@ Contributors of this project.
 
 - Constance Variable (lambadalambda@social.heldscal.la): Code
 - Coco Snuss (cocosnuss@social.heldscal.la): Code
-- wakarimasen (wakarimasen@soykaf.com): NSFW hiding image
-- dtluna (dtluna@social.heldscal.la): Code
+- wakarimasen (wakarimasen@shitposter.club): NSFW hiding image
+- dtluna (dtluna@social.heldscal.la): Code
+- sonyam (sonyam@social.heldscal.la): Default background image
+- hakui (hakui@freezepeach.xyz): CSS and styling