chore: add husky and lint-staged

[niStee]

Standardizes git hooks using biome across the monorepo.

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Summary by cubic

Add husky and lint-staged to standardize Git hooks across the monorepo and enforce Biome checks before commits.

• New Features

  • Pre-commit: runs bunx lint-staged with biome check --write --no-errors-on-unmatched for *.{ts,tsx}.
  • Pre-push: runs bun run typecheck.
  • prepare script now installs husky after build to ensure hooks are set up.

• Dependencies

  • Added dev deps: husky (^9.1.7) and lint-staged (^17.0.7).

^{Written for commit 5f0fb59. Summary will update on new commits.}