Migrate to cloud-gov GitHub org

[amirbey]

Background (Optional)

Migrate federalist repos to cloud-gov GitHub organization.

Acceptance Criteria

• [ ] Migrate Project Board
• [x] Migrate federalist.18f.gov repo
• [ ] Migrate federalist repo
• [ ] Migrate federalist-builder repo
• [ ] Migrate federalist-garden-build repo
• [x] Migrate proxy-server repo
• [x] Migrate the federalist templates
  • [x] jekyll
  • [x] gatsby
• [ ] Update concourse pipelines

After evaluating, edit this part:

Level of effort - medium

Implementation outline (if higher than "low" effort):

• [ ] discuss organization/repo permissions with cloud-gov GitHub org admin
• [ ] obtain permission for Pages team in cloud-gov ... possibly a Pages GitHub team
• [ ] coordinate with 18F org GitHub admin to transfer repositories to cloud-gov
• [ ] coordinate with cloud-gov org GitHub admin to transfer repositories to cloud-gov

Considerations: CircleCI, CodeClimate, Concourse, ...?

Related to epic: https://github.com/orgs/cloud-gov/projects/25