Populate microsite

[miguelangel-dev]

Add description and examples of use for the microsite.

What should be documented?

• [x] (verification) How to compile from the command line a Swift Playground project.
• [x] (documentation) How to convert an ordinary playground to a nef Playground
• [x] (documentation) How to start an Xcode Playground with 3rd-party libraries compatibility.
• [ ] (documentation) How to start a Swift Playground (iPad) with 3rd-party libraries compatibility.
• [x] (render) How to build a Markdown project from nef Playground.
• [x] (render) How to build a Jekyll site from nef Playground.
• [x] (render) How to render Carbon images from nef Playground.
• [ ] (General) What is the FP architecture has nef. I think it will be useful for landing new contributors to nef project.
• [ ] (General) How to use the API nef, for building new projects/tooling on top of nef.
• [ ] (General) What is the nef Xcode extension and How to use it :)

[miguelangel-dev]

Note pending for microsite release

[miguelangel-dev]

It is opening for external contributors. It will be awesome if someone could help us with that.