Separate kwargs for Opening a Grid File in Open Dataset

[philipc2]

Closes #386

Overview

• Introduces a new argument (grid_kwargs) to ux.open_dataset and ux.open_mfdataset which allows the user to specify a dictionary of key word arguments that are used when opening up a Grid dataset in ux.open_grid

Expected Usage

import uxarray as ux

grid_path = "/path/to/grid.nc"
data_path = "/path/to/data.nc"
uxds = ux.open_dataset(grid_path, data_path, grid_kwargs={"drop_variables": "Mesh2_face_nodes"})

PR Checklist

General

• An issue is linked created and linked
• Add appropriate labels
• Filled out Overview and Expected Usage (if applicable) sections

Testing

• Adequate tests are created if there is new functionality
• Tests cover all possible logical paths in your function
• Tests are not too basic (such as simply calling a function and nothing else)

Documentation

• Docstrings have been added to all new functions
• Docstrings have updated with any function changes

[rajeeja]

A test case with example dropping certain columns would be useful. As it will excercise this option also.

[philipc2]

A test case with example dropping certain columns would be useful. As it will excercise this option also.

That's the plan!

[aaronzedwick]

Looks good from what I can see!

[ifranda]

Looks good to me!