write documentation for this repo

[mlite]

This repo contains code that can be shared. So API documentation makes more sense.

[mlite]

let's start with logconf.c

[mlite]

Adding usage examples will help understand how to use some features.

[lcsmuller]

Yes, thats a good idea. We can move tests from orca/test that use any of these files to here, it makes more sense than keeping it there!

[mlite]

@LucasMull This repo will be more important as it's the building block for other projects. Documentation of json-actor, and other will be more valuable. Please treat this as the background task, it means we do this whenever there is no other high priority tasks.