Add link in K8s integration docs to RBAC roles
Add link in K8s integration docs to RBAC roles

dreampet/gitlab,mmkassem/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,axilleas/gitlabhq,dreampet/gitlab,dreampet/gitlab,iiet/iiet-git,iiet/iiet-git,mmkassem/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq