doc: add readme for comment action module
doc: add readme for comment action module
rnveach/contribution,checkstyle/contribution,rnveach/contribution,checkstyle/contribution,rnveach/contribution,checkstyle/contribution,checkstyle/contribution,rnveach/contribution,rnveach/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution,checkstyle/contribution,checkstyle/contribution