# Description

Various randomization and procedural generation operations happen at
initialization. However, as noted in one of the issues, the seed setting
happens after all these operations are performed. This means that the
creation of the environment is not completely deterministic. This MR
resolves this issue by adding a `seed` configuration to the environment.

Fixes #904

## Type of change

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

## Screenshots

The before and after results over **three runs** with the default seed
(seed: 42)

```bash
./isaaclab.sh -p source/standalone/workflows/rsl_rl/train.py --task Isaac-Velocity-Rough-Anymal-C-v0 --headless --run_name seed
```

| Results over three runs |
| ------ | 
| Before (main at 788a061d)
![before](https://github.com/user-attachments/assets/21a6a9f3-7438-4e73-92dd-a32106272fcb)
|
| Now (this MR)
![after](https://github.com/user-attachments/assets/821b9c63-34b7-4ce2-8d36-4c979c47070b)
|

## 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

---------
Signed-off-by: Mayank Mittal <12863862+Mayankm96@users.noreply.github.com>