Add ai.kr, io.kr, it.kr, me.kr (#2407)

Author: groundcat

public_suffix_list.dat

@@ -3805,14 +3805,18 @@ rep.kp
 tra.kp
 
 // kr : https://www.iana.org/domains/root/db/kr.html
-// see also: http://domain.nida.or.kr/eng/registration.jsp
+// see also: https://krnic.kisa.or.kr/jsp/infoboard/law/domBylawsReg.jsp
 kr
 ac.kr
+ai.kr
 co.kr
 es.kr
 go.kr
 hs.kr
+io.kr
+it.kr
 kg.kr
+me.kr
 mil.kr
 ms.kr
 ne.kr