minor: place link of how to report bug on contributing page to be easily accessible
minor: place link of how to report bug on contributing page to be easily accessible

rnveach/checkstyle,checkstyle/checkstyle,ilanKeshet/checkstyle,sharang108/checkstyle,bansalayush/checkstyle,sabaka/checkstyle,romani/checkstyle,AkshitaKukreja30/checkstyle,romani/checkstyle,romani/checkstyle,jochenvdv/checkstyle,sharang108/checkstyle,nikhilgupta23/checkstyle,bansalayush/checkstyle,rnveach/checkstyle,izishared/checkstyle,nikhilgupta23/checkstyle,rnveach/checkstyle,sirdis/checkstyle,sirdis/checkstyle,jonmbake/checkstyle,jonmbake/checkstyle,sabaka/checkstyle,bansalayush/checkstyle,rnveach/checkstyle,ilanKeshet/checkstyle,romani/checkstyle,romani/checkstyle,sirdis/checkstyle,izishared/checkstyle,nikhilgupta23/checkstyle,rnveach/checkstyle,romani/checkstyle,izishared/checkstyle,MEZk/checkstyle,liscju/checkstyle,checkstyle/checkstyle,jonmbake/checkstyle,liscju/checkstyle,liscju/checkstyle,checkstyle/checkstyle,MEZk/checkstyle,rnveach/checkstyle,sharang108/checkstyle,sabaka/checkstyle,ilanKeshet/checkstyle,MEZk/checkstyle,AkshitaKukreja30/checkstyle,jochenvdv/checkstyle,checkstyle/checkstyle,jochenvdv/checkstyle,AkshitaKukreja30/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle