Unreleased updates

Highlights

• Update docs nav and add interactive docs actions.
• default org, link key fix, Security (email vs GitHub), password reset
• Update docs, API config, Dockerfile, and add funding/export features
• Add email sign-up and sign-in to dashboard login
• Add Render blueprint and make Render primary deploy option
• add parens for ??/|| in wallets page to fix Vercel build
• migrate from Fly.io to Railway
• enable error logging with DSN, dotenv, and flush