Follow-up on #12426

Deployments (phase 2):

• docs: describe single region and multi-region deployments #12779 Single-Region POC:
  • Single VM, up to 100 users, Docker+sysbox container runtime
• docs: describe single region and multi-region deployments #12779 Multi-region:
  • Multiple provisioners and workspace proxies in each region, allowing developers to get a fast developer experience
• docs: describe multi-cloud architecture #12857 Multi-cloud:
  • Run multiple provisioners in each cloud, allowing Coder to deploy against it (zero trust)
• docs: describe devcontainers as deployment model #12877 Devcontainers (early):
  • How to allow developers to bring their own dependencies from their repositories without a central platform team running images
• docs: describe air-gapped architecture #12897 Air-gapped:
  • External container, external registry, external CA, embedded terraform binaries, terraformrc pointing to registry

TODO:

• Running Coder in CI/CD