Forces CRLF for .bat files to prevent script execution errors on Windows (#3624)

# Description

Fix windows script execution error as described in [Discussions
3260](#3260), by
forcing to use crlf as eol in `*.bat` file

## Type of change

- Bug fix (non-breaking change which fixes an issue)

## Checklist

- [x] I have read and understood the [contribution
guidelines](https://isaac-sim.github.io/IsaacLab/main/source/refs/contributing.html)
- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] 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

Author: jiang131072

.gitattributes

@@ -10,3 +10,5 @@
 *.pt filter=lfs diff=lfs merge=lfs -text
 *.jit filter=lfs diff=lfs merge=lfs -text
 *.hdf5 filter=lfs diff=lfs merge=lfs -text
+
+*.bat text eol=crlf

CONTRIBUTORS.md

@@ -115,6 +115,7 @@ Guidelines for modifications:
 * Philipp Reist
 * Pulkit Goyal
 * Qian Wan
+* Qingyang Jiang
 * Qinxi Yu
 * Rafael Wiltz
 * Renaud Poncelet