[2023] can you at least add some guidance in the stationpedia for the new rocket mechanics?

There is a section called "Rockets" in stationpedia which contains an outline of how to make and launch a rocket, and then a list of all the parts.

To see a list of rocket pieces:
Press F1
Scroll down until you see the word "Rockets"
Click on the word "Rockets"

To read an overview of Rockets:
Press F1
type "Rockets"
Click the first of the linked pages (the second is the list)
This contains a text overview of how to make a rocket