Keyboard UI 🎹

[ManuelVargas1251]

Make the keyboard look like a synth.

[ManuelVargas1251]

Branch created:
https://github.com/ManuelVargas1251/Chord-Finder/tree/luke-keyboard-ui

[ManuelVargas1251]

added key color when hovered over and updated css file organization in #14

[ManuelVargas1251]

Keeping issue open as it can be added in the next release

[ManuelVargas1251]

It would be cool if you made the piano have perspective like sitting on a desk. I'm planning to add a screen type interface maybe