robosats-android-ea3ff1c

improve/update documentation in api/oas_schemas.py (#1244)

Specify that the amount of the invoice sent in `update_invoice`
should take into consideration `routing_budget_ppm`.
Specify that the signed messages should be signed with SHA512.
Remove the warning that in the future canceling not taken orders
might result in losing the bond.
Fix a broken link.
Specify that the PGP key should be ed25519/cert,sign+cv25519/encr.