Add documentation on where to change what

[jpfeuffer]

We need a rough documentation on how the website works.
All the places where there is content and configurable options.

[rahul799]

Yes sure.

[jpfeuffer]

By the way, where is the content for the Home page?

[rahul799]

Hi @jpfeuffer
Most of the dynamic content is taken from config.yaml whereas you can find the static files here