Finished all todo's including the bonus one.

• Add the 'Roboto' font from Google fonts and add it as a global CSS var called --font-primary.
• Make application responsive. It is already for the most part, but it is not optimal for smaller screens.
• Create separate styles for .primary and .secondary variants of the button component.
• Write a custom hook to set form fields in a more generic way.
• Fetch addresses based on houseNumber and zipCode.
• Create generic component to display form rows, legend and a submit button.
• Create an component for displaying an error message.
• Add a button to clear all form fields. Button must look different from the default primary button, see design.
• Add conditional classNames for primary and secondary variant in component
• Prevent duplicate addresses.
• Write a state update which removes an address from the addresses array.
• BONUS: Add loading indicator in UI while fetching addresses