Add documentation and examples for configuring cloud storage for registry images.
Add documentation and examples for configuring cloud storage for registry images.

jirutka/gitlabhq,icedwater/gitlabhq,allysonbarros/gitlabhq,iiet/iiet-git,dplarson/gitlabhq,axilleas/gitlabhq,LUMC/gitlabhq,dreampet/gitlab,SVArago/gitlabhq,darkrasid/gitlabhq,mr-dxdy/gitlabhq,shinexiao/gitlabhq,LUMC/gitlabhq,SVArago/gitlabhq,stoplightio/gitlabhq,mmkassem/gitlabhq,daiyu/gitlab-zh,jirutka/gitlabhq,shinexiao/gitlabhq,allysonbarros/gitlabhq,htve/GitlabForChinese,dplarson/gitlabhq,darkrasid/gitlabhq,dplarson/gitlabhq,stoplightio/gitlabhq,t-zuehlsdorff/gitlabhq,dreampet/gitlab,daiyu/gitlab-zh,htve/GitlabForChinese,stoplightio/gitlabhq,martijnvermaat/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,iiet/iiet-git,iiet/iiet-git,shinexiao/gitlabhq,screenpages/gitlabhq,SVArago/gitlabhq,mmkassem/gitlabhq,openwide-java/gitlabhq,daiyu/gitlab-zh,mr-dxdy/gitlabhq,Soullivaneuh/gitlabhq,screenpages/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,iiet/iiet-git,htve/GitlabForChinese,t-zuehlsdorff/gitlabhq,Soullivaneuh/gitlabhq,htve/GitlabForChinese,allysonbarros/gitlabhq,icedwater/gitlabhq,LUMC/gitlabhq,mr-dxdy/gitlabhq,screenpages/gitlabhq,martijnvermaat/gitlabhq,martijnvermaat/gitlabhq,dreampet/gitlab,LUMC/gitlabhq,dreampet/gitlab,stoplightio/gitlabhq,screenpages/gitlabhq,Soullivaneuh/gitlabhq,t-zuehlsdorff/gitlabhq,icedwater/gitlabhq,icedwater/gitlabhq,dplarson/gitlabhq,allysonbarros/gitlabhq,jirutka/gitlabhq,t-zuehlsdorff/gitlabhq,jirutka/gitlabhq,daiyu/gitlab-zh,mmkassem/gitlabhq,Soullivaneuh/gitlabhq,mr-dxdy/gitlabhq,axilleas/gitlabhq,openwide-java/gitlabhq,darkrasid/gitlabhq,martijnvermaat/gitlabhq,shinexiao/gitlabhq,darkrasid/gitlabhq,SVArago/gitlabhq,mmkassem/gitlabhq