WIP: Add manuals for apitrace usage for different graphic API's

according to !2183 (closed) I made a merge request with how-to documents. It doesn't mean to be MERGED into project and was created only for reviewing purposes. So please provide any feedback.

How it looks formatted, you always can see here:

https://gitlab.freedesktop.org/GL/mesa/wikis/How-to-make-an-apitrace-for-different-types-of-games/How-to-make-an-apitrace-for-different-types-of-games-and-applications https://gitlab.freedesktop.org/GL/mesa/wikis/How-to-make-an-apitrace-using-Windows-OS