GSOC: Onion Service Support Tooling for Arti

Week 5 (June 23 - July 14): arti keys-raw "plumbing" subcommand
Week 6 - 8 (July 14 - August 4): key migration tool (3 weeks)
Mid-term evaluation, Week 7 (July 21)
Week 9 - 11 (August 4 - August 25): integrity check command (3 weeks)
Week 12 (August 25 - September 1): TBD (bonus tasks, polishing, documentation)
Week 13 (September 1 - 8): bonus tasks, polishing, documentation
Week 14 - Final Week (September 8 - 15): project submission

Optional: arti hss destroy, arti hss destroy-and-recreate subcommands (3 weeks)