Explain how to upload .git to GCB
Explain how to upload .git to GCB

List steps required to upload a repository's .git directory to GCB in
the image pushing README.

dims/test-infra,jessfraz/test-infra,cblecker/test-infra,BenTheElder/test-infra,BenTheElder/test-infra,kubernetes/test-infra,dims/test-infra,jessfraz/test-infra,cjwagner/test-infra,BenTheElder/test-infra,michelle192837/test-infra,kubernetes/test-infra,jessfraz/test-infra,cblecker/test-infra,cblecker/test-infra,dims/test-infra,BenTheElder/test-infra,dims/test-infra,cjwagner/test-infra,michelle192837/test-infra,dims/test-infra,cjwagner/test-infra,cjwagner/test-infra,kubernetes/test-infra,cblecker/test-infra,michelle192837/test-infra,cblecker/test-infra,BenTheElder/test-infra,jessfraz/test-infra,BenTheElder/test-infra,kubernetes/test-infra,jessfraz/test-infra,dims/test-infra,michelle192837/test-infra,kubernetes/test-infra,cjwagner/test-infra,michelle192837/test-infra,cjwagner/test-infra,cblecker/test-infra,kubernetes/test-infra,jessfraz/test-infra,michelle192837/test-infra