Follow-up from "review and reshuffle TPA-RFC-90 (team#42099)"

The following discussions from !79 (merged) should be addressed:

• @anarcat started a discussion:

  let's see: should we manage more repositories here?

  opening a thread so we keep track of this.

• @anarcat started a discussion:

  according to @zen, this should be supported, but we should document more clearly how.