Add prop for background color on hover

[Dhaiwat10]

Currently, the component's background color changes to white-ish by default when hovered. This becomes problematic when someone passes custom color props like shown above. This can be solved by adding a prop for the background color when hovered.

[Killaskt]

please add (unless its already possible and im dumb haha). For now to get around it, override the class named ".Container:hover". You can also use styled-components, if you do this &:hover { background-color: ${props -> props.backgroundHover} }