Update the homepage content

[pacdiv]

Do you want to request a feature or report a bug?
Feature.

What is the current behavior?
Currently, the homepage is an introduction/onboarding for the playground. However, the GIF on the homepage is pretty fast and does not successfully help to understand how to use the playground.

What is the expected behavior?
To replace the homepage by the following text:

Hi there, welcome! 👋

The RegexGuide helps you to perceive how useful and powerful regular expressions can be.

How? By helping you to write your first simple regular expressions without knowledge required!

Here’s what you need to do! Enter a text to match, then hit “Add a first condition” and icon buttons like “[add here the icon used in EditableText.js]” to add as much matching conditions as you need!

Disclaimer: Once you feel comfortable with these simple regexes, read some documentation and start writing more complex ones on your own! 🚀

Got it? Click the button below!

[pacdiv]

Solved by the pull request #89.