Build a Project Structure

Create a complete project directory structure.

Tasks:
1. Create `src/`, `src/components/`, `src/utils/`, `public/`, `tests/` directories
2. Create `src/index.js` with content "// Entry point"
3. Create `README.md` with content "# My Project"
4. Create `package.json` with content "{ \"name\": \"my-project\" }"