Is your feature request related to a problem? Please describe.
The Documentation at docs.yjs.dev is unfinished, and is lacking some crucial parts in explanation at some places.

Describe the solution you'd like
A contributing guideline to be written so me and others can modify parts of the docs with updated knowledge

Describe alternatives you've considered
figure out what I need for my personal project and not leave any documentation trail behind,

Additional context
docs.yjs.dev is uncompleted.

• I'm a sponsor 💖
• This feature is critical for my project.

A contributing guideline on the main repo would also be cool 👍