Modernized Website for Celery 5.0

[thedrow]

Celery's website looks outdated and probably contains a lot of irrelevant/outdated information.
We should redesign it and ensure it fits our demands and promotes our projects (and more importantly the funding to those projects) accordingly.

[jheld]

Any recommendations for tooling changes? Changes in landing page (simpler? Different?)?

[thedrow]

I'd like to use Github pages because it's simple.
The landing page should be simple.
We should have example use cases, a live demonstration (deployed to Heroku) and an overview of the features.