Define Support Flow

1. Revise and review existing Builds support flow to aim to minimize engineering workload.
2. Prepare content for CEE team to introduce Builds and bootstrap competence.

See: https://docs.google.com/document/d/1HGOd1SvUc793pLxiHDBIy8taGL4cwrkwbx_k237yYLk/edit#heading=h.lw3ja7wb3qm4