Add Ruby's Rainbow Project

[andresclua]

Description

Add Project https://rubysrainbow.org/ to showcase

• The PR is submitted to the master branch
• The code was linted before pushing (npm run lint)
• All tests are passing (npm run test)
• New or updated tests are included
• The documentation was updated as required

Additional information

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[andresclua]

hey @daun is it expected to add this project to showcase in the near future?

[daun]

@andresclua Sure. Just other stuff to do as well :)

[daun]

@andresclua Could you please reupload the screenshot as a png file? Looks like we hardcoded the screenshot filenames to png to avoid jpeg compression artefacts.

[andresclua]

let me know if that works @daun

[daun]

@andresclua Looks good, but can you push it to the branch so I can merge it? I don't have access to a dev environment at the moment.

[daun]

@andresclua Can you please convert the image to an actual png file instead of just changing the file extension, and then push the png and delete the jpeg? Thanks!

[daun]

I've converted the file to png format. Should be live in a few minutes 🤹‍♂️