Replace eslint/prettier with biome

[sverhoeven]

Followed instructions at https://turbo.build/repo/docs/guides/tools/biome

Also

• drops the packages/config-typescript/ in favor complete tsconfig.json next to each package.json.
• adds pnpm typecheck command
• also includes #9 PR

TODO

• [x] check unsafe fixes where save
• [x] fix/ignore errors
• [x] run workflow once on a push

[Peter9192]

I did notice that the --reporter github options doesn't render nicely in the CI for my breaking commit https://github.com/classmodel/class-web/pull/10/commits/639e34968053bb018dac1a7e35c97cde5dad2b8e

[sverhoeven]

I did notice that the --reporter github options doesn't render nicely in the CI for my breaking commit 639e349

I switched away from biome action. See https://github.com/classmodel/class-web/actions/runs/10214528625 for example error report