# Description

This adds an observation term to be able to easily extract features from
the images, and adds a cartpole example of using this new term.

The new ResNet18 cartpole converges in less than 100 epochs.

## Type of change

<!-- As you go through the list, delete the ones that are not
applicable. -->

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

## Checklist
- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [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

I will update the version in the changelog and extension.toml after
approval prior to merging in due to it causing merge conflicts when main
updates

---------
Signed-off-by: glvov-bdai <glvov@theaiinstitute.com>
Signed-off-by: garylvov <67614381+garylvov@users.noreply.github.com>
Co-authored-by: garylvov <67614381+garylvov@users.noreply.github.com>
Co-authored-by: garylvov <gary.lvov@gmail.com>
Co-authored-by: David Hoeller <dhoeller@nvidia.com>
Co-authored-by: James Smith <142246516+jsmith-bdai@users.noreply.github.com>