- Fix typos and broken links.
- Add documentation for functions introduced in 2.1.1.
- Add copyright header to `FLV.m` and remove `hello.c`.
- Update documentation for `mj_ray` and `mj_contactForce`.
- Delete out-of-date comments in `XMLreference.rst`.
- Add geom:size table to `XMLreference.rst`.
PiperOrigin-RevId: 425318966
This commit explicitly moves files around without modifying any content
so that Git can track them correctly.
Change-Id: I087d6d61d4e2d82ce06ad9ac0adf7327db94dd9c