auth/middleware: fix printf suspension params

model: import from gql.sr.ht

Import GQL server interfaces from gql.sr.ht

client: import from gql.sr.ht

redis: import middleware from gql.sr.ht

.builds/alpine.yml: run tests

Overhaul crypto module

Part 1 of merging gql.sr.ht with core-go

Add crypto module with depessimised webhook signing from gitsrht-update-hook

Initial commit