gram: docs

> ./bunfig.toml

[test]
# Exclude Playwright e2e tests - they should be run with `npx playwright test`
root = "./packages"

[install]
# Supply-chain defense: require packages to be at least 7 days old before
# installation. Compromised packages (stolen maintainer tokens) are almost
# always yanked within hours, well before this window elapses.
minimumReleaseAge = 604800