Making a calculator with React following the tutorial: https://www.sitepoint.com/react-tutorial-build-calculator-app/
Learning:
- How to create components.
- Use of 'useState' and creating hooks.
- How to create directories and elements with terminal.
- Import/Export with name syntax.
- Install NPM packages like WebVitals and Textfit.
- How to use new 'createRoot' API.