docs: CREDITS update

Author: black7375

CREDITS

@@ -152,6 +152,9 @@ N: Filip Š
 E: filip.stamcar@hotmail.com
 W: https://www.filips.si/
 
+N: hdk5
+W: https://github.com/hdk5
+
 N: hellojaccc
 E: kim@taekyeong.me
 W: https://github.com/hellojaccc
@@ -228,6 +231,9 @@ N: sean z
 E: ean@vsxd.com
 W: https://vsxd.com/
 
+N: Seth Kinast
+W: https://github.com/sethkinast
+
 N: Sylvain
 E: B00ze64@hotmail.com
 W: https://github.com/B00ze64