Niwrap

What's Changed
* Make greedy io args optional by kaitj in https://github.com/childmindresearch/niwrap/pull/152
* Fix mrconvert list-seperator by kaitj in https://github.com/childmindresearch/niwrap/pull/153
* Fix `list-separator` spelling in mrconvert by kaitj in https://github.com/childmindresearch/niwrap/pull/154
* Improve c3d and greedy descriptors
* Various manual and automated improvements to AFNI and FSL descriptors

**Full Changelog**: https://github.com/childmindresearch/niwrap/compare/v0.1.2...v0.1.3

- Fix compile error of greedy upstream

**Full Changelog**: https://github.com/childmindresearch/niwrap/compare/v0.1.1...v0.1.2

- Add issue templates
- Various small fixes in FSL and AFNI descriptors
- Fixed an issue with Styx builds not being deterministic
- Add output files to c3d descriptor
- Add output files to FSL eddy descriptor
- Improve ANTs registration syn descriptor
- Improve greedy descriptor
- Improve mrtrix dwibiascorrect descriptor
- Improve mrtrix3 automatic descriptor generation for arbitrary argument types

**Full Changelog**: https://github.com/childmindresearch/niwrap/compare/v0.1.0...v0.1.1

**Full Changelog**: https://github.com/childmindresearch/niwrap/commits/v0.1.0