Add TIAGo Pro Robot to MuJoCo Menagerie

[saikishor]

Description

This PR adds the new model of TIAGo Pro developed by PAL Robotics

Checklist

Please check off each item ([x]) once complete, or mark it as [N/A] if it doesn't apply:

• Added your name to CONTRIBUTORS.md (alphabetically by first name)
• Updated CHANGELOG.md:
  • Global changelog (if your change affects the overall repo)
  • Model-specific changelog (if it affects a specific model only)
• Followed the XML formatting/style guidelines (if editing MJCF)
• Ran pytest test/ locally and ensured all tests pass
• Signed the Contributor License Agreement (CLA)

Refer to the contributing guide if you're unsure about any of the steps.

Thanks to the efforts of @OrtisaPoci for assisting with the model derived from the URDF.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[saikishor]

This is weird. I've contributed in the past here: #94 and #93. I don't understand why CLA is failing now

[louislelay]

Just noticed but you didn't add an entry to the readme!