Update category-scholar-!cn

Add several common academic websites

data/category-scholar-!cn

@@ -17,6 +17,7 @@ include:taylorfrancis
 
 aclweb.org
 acm.org
+acs.org
 altmetric.com
 analytictech.com
 annualreviews.org
@@ -38,6 +39,7 @@ galegroup.com # Gale 平台
 ggsrv.com # Gale 平台
 hindawi.com
 informs.org
+iop.org
 isca-speech.org
 jamanetwork.com
 japanknowledge.com # Japan Knowledge Lib（日本知识库）数据库
@@ -61,6 +63,7 @@ princeton.edu
 researchgate.net
 routledgehandbooks.com
 royalsocietypublishing.org
+rsc.org
 sagepub.com
 scholarpedia.org
 sciencemag.org