Add pybindings for VolumetricGridLookupField

[gokulp01]

🎉 New feature

Closes #477

Summary

This pull request adds Python bindings for VolumetricGridLookupField, enabling its usage in Python.

Changes:

1. Updated CMakeLists.txt to build the new Python bindings
2. Added InterpolationPoint pybindings, which are dependencies for VolumetricGridLookupField
3. Added the main pybindings for VolumetricGridLookupField
4. Included tests to validate the functionality of the Python bindings

Details:

• Updated Files:
  • src/python_pybind11/CMakeLists.txt: Modified to include new files in the build
  • src/python_pybind11/src/_gz_math_pybind11.cc: Updated to include headers for the bindings
• New Files:
  • src/python_pybind11/src/InterpolationPoint.cc and .hh: Provide pybindings for InterpolationPoint
  • src/python_pybind11/src/VolumetricGridLookupField.cc and .hh: Implement pybindings for VolumetricGridLookupField
  • src/python_pybind11/test/VolumetricGridLookupField_TEST.py: Test file for validating the functionality

Test it

Build the project and test the bindings with

python3 src/python_pybind11/test/VolumetricGridLookupField_TEST.py

Expected Result:

• All tests should pass.
• The VolumetricGridLookupField bindings should function correctly in Python.

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

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