For consistent look and feel.

For README.

Bootstrap to later Electron version.

Add custom themes and colors for keys.

Make sure license file is included.

Use more updated screenshot.

Use updated version of `react-musical-keyboard`.

Use custom button for closing, improve app window.

Provide relative paths to project root (where package.json lives).

Still not working, but updated README nevertheless.

Use create-react-app to use first-party `react-musical-keyboard` component.

Remove console.log statements.

Use mac screenshot

Separate styles from template, use png images for better look and feel.

Use repository name

Choose MIT license

Tested with a real MIDI keyboard.