The document suggests copy `/usr/lib/libatomic_ops.a` to
`/usr/lib/libatomic.a`. Instead of copying, using a soft link to
libatomic_ops is also an option. The reason to soft link is also added.
I have successfully built Godot by using soft link.
Since there is no "3.x " branch of the docs, I'm not sure which branch the link should point to instead. I went with the latest 3.x, but maybe 3.0 is better?
The Introduction to the buildsystem page still mentions this parameter
in case it needs to be changed, but in most situations, the default
value of `(number of CPU threads) - 1` does a good job.
- Merge Community/Contributing and Engine Development into one top-level section, Contributing.
- Structure it in a way that gives equal priority to various ways to contribute, including documentation.
- Rename several articles to be more comprehensive and in line with the overall state of the documentation.
- Rewrite the guide for class reference contributions.