This PR adds GR00T Mimic support for GR1, including addition of:

1. GR1T2 Scene
2. Pink IK controller
3. Integration for GR1T2 scene with Groot Mimic. Record, Annotate and
Data Generation
4. Training scripts for GR1T2 scene using Groot Mimic Data
5. Coding style fixes for math.py

1. https://github.com/isaac-sim/IsaacLab-Internal/pull/267
2. https://github.com/isaac-sim/IsaacLab-Internal/pull/280
3. https://github.com/isaac-sim/IsaacLab-Internal/pull/287
Note: These branches have been merged into this PR branch for testing.

- New feature (non-breaking change which adds functionality)
- This change requires a documentation update

Please attach before and after screenshots of the change if applicable.

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- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] documentation PR is here:
https://github.com/isaac-sim/IsaacLab-Internal/pull/299
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

Note: There are these 3 TODOs related to moving USD files to the correct
location. But I'm planning to move those to the right location and then
make the changes in a follow up MR.

---------
Signed-off-by: Ashwin Varghese Kuruttukulam <123109010+ashwinvkNV@users.noreply.github.com>
Signed-off-by: Kelly Guo <kellyguo123@hotmail.com>
Co-authored-by: Rafael Wiltz <rwiltz@nvidia.com>
Co-authored-by: Jiakai Zhang <jaczhang@nvidia.com>
Co-authored-by: CY Chen <cyc@nvidia.com>
Co-authored-by: Peter Du <peterd@nvidia.com>
Co-authored-by: Kelly Guo <kellyg@nvidia.com>