Add builder formula.  Source hash pinned -- gunning for bootstrap cycle breaking here, awkwardly.
Add builder formula.  Source hash pinned -- gunning for bootstrap cycle breaking here, awkwardly.

Signed-off-by: Eric Myhre <2346ad27d7568ba9896f1b7da6b5991251debdf2@exultant.us>

polydawn/reppl,polydawn/reppl