Improve README

[adrianmcli]

See here for an example of a good, comprehensive, and well-designed README: https://github.com/clauderic/react-infinite-calendar

GitHub Short Description

• A short informative sentence for link previews
• Use an emoji in the description to get people's attention
• Add a link to a demo page

README.md

• Have a nice logo
• Have an awesome image/animated gif
• Title of your project in plain Capitalized English
• Short description and link to demo page

Badges from Shields.io

• NPM version
• Build status (Travis/Circle CI)
• Dependencies
• Code quality (Bithound or similar)
• Code coverage
• License

Features

• Use an emoji
• Have at least 4 or 5 features
• Keep the focus on simplicity, lightness (e.g. zero-dependency), and ease-of-use

Other Sections

• Getting Started or Installation + Usage
• API
• Contributing guidelines

[adrianmcli]

Image should be replaced with a smaller file:

EDIT: done.