- Implemented `add` and `subtract` functions in multiple packages (web, ui, utils).
- Created unit tests for these functions using Vitest in respective test files.
- Updated turbo.json to include a new test pipeline for coverage and watch mode.
- Created TypeScript configuration files for library and React applications.
- Added ESLint configurations for library, React, and Storybook.
- Implemented a basic Button component in the UI package.
- Set up Vite for the docs development environment.