wip: Move to Fly app named medicode and attempt GPU

feat: Transcribe using FLAME on a Fly GPU

feat: Configure app for sending mail with PostMark

chore: Move to Supabase and update toml

fix: Fix directory references to use medicode

chore: Rename app to Medicode

chore: Re-enable error for when DATABASE_URL is missing

chore: Configure for connecting to Neon's Postgres

chore!: Don't raise if DATABASE_URL isn't present

Initial import