Create a page in the documentation describing the process of making changes to the documentation

[VladimirLevadnij]

Description

It is necessary to create a section in the official documentation in which to describe the process of making changes to the documentation, including how to create a section for a new language and how to make a local assembly of the documentation for local verification.

Implementation ideas

In the "Contributing" section you need to create a page "Updating Documentation" and there describe how changes can be made, to do this, process the information that is discussed in this issue CraterCrash/godot-orchestrator#149