Add ssb + patch* as activity to Module 1

[benhylau]

Use ssb social network UX as default activity for Module 1. Move ipfs activity to a secondary option. Deliverables include:

• ssb Dockerfile and tar archive so it can be loaded locally without Internet (like current ipfs docker archive)
• Worksheet that starts at sbot cli interactions on rpi, then participants form a local area social network (discovery over LAN ideally avoiding key exchange)
• Instructions to prepare this workshop with mesh-orange img