Urdf2mjcf

What's Changed
* replace visual mesh with box as well by alik-git in https://github.com/kscalelabs/urdf2mjcf/pull/37
* add ref attribute by WT-MM in https://github.com/kscalelabs/urdf2mjcf/pull/38
* bump version to 0.2.20 by WT-MM in https://github.com/kscalelabs/urdf2mjcf/pull/39


**Full Changelog**: https://github.com/kscalelabs/urdf2mjcf/compare/0.2.18...0.2.20

What's Changed
* flat feet by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/30
* add pass for explicit list of floor contacts (for feet) by alik-git in https://github.com/kscalelabs/urdf2mjcf/pull/31
* bump version to 0.2.16 for explicit contacts list by alik-git in https://github.com/kscalelabs/urdf2mjcf/pull/32
* add default maxhullvert option by budzianowski in https://github.com/kscalelabs/urdf2mjcf/pull/33
* bump to 0.2.17 for maxhulvert flag by alik-git in https://github.com/kscalelabs/urdf2mjcf/pull/34
* add quat to feet boxes by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/36


**Full Changelog**: https://github.com/kscalelabs/urdf2mjcf/compare/0.2.14...0.2.18

What's Changed
* fix the setup for sim2sim by budzianowski in https://github.com/kscalelabs/urdf2mjcf/pull/1
* fix up default position argument by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/2
* fix broken link by alik-git in https://github.com/kscalelabs/urdf2mjcf/pull/3
* Fixes to the urdf to mjcf conversion by alik-git in https://github.com/kscalelabs/urdf2mjcf/pull/5
* allow collision meshes to be missing by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/8
* Update README.md by budzianowski in https://github.com/kscalelabs/urdf2mjcf/pull/9
* remove mujoco autoconvert by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/10
* effort limits as well by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/11
* optional default by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/12
* add back imu sensor by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/14
* add some more sensors by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/15
* refactor into postprocessing steps by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/16
* more options by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/17
* Fix package by WT-MM in https://github.com/kscalelabs/urdf2mjcf/pull/19
* remove mjcf redundancies by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/20
* name changes by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/21
* remove adjacent collisions by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/22
* better joint simplification by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/23
* sim updates by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/24
* rl updates by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/25
* foot-spheres by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/26
* better checking by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/27
* control imu position by codekansas in https://github.com/kscalelabs/urdf2mjcf/pull/28

New Contributors
* budzianowski made their first contribution in https://github.com/kscalelabs/urdf2mjcf/pull/1
* codekansas made their first contribution in https://github.com/kscalelabs/urdf2mjcf/pull/2
* alik-git made their first contribution in https://github.com/kscalelabs/urdf2mjcf/pull/3
* WT-MM made their first contribution in https://github.com/kscalelabs/urdf2mjcf/pull/19

**Full Changelog**: https://github.com/kscalelabs/urdf2mjcf/commits/0.2.14