Doc review: general readability and structure

[stefancyliax]

Task for documentation review: general readability and structure

https://opensimulationinterface.github.io/osi-documentation/

[stefancyliax]

OSI CCB (19.01.2022):
Topic can not be evaluated within the CCB. All the members are "too deep" in the topic.
@stefancyliax will check if that is something that can be done internally at ASAM.