Napari grid functions

[k034b363]

Describe your changes
This PR adds functions to use Napari to create a grid of polygons and use the centers of those polygons to create ROIs. This strategy was designed to be used for field layouts containing individual plants in a rough grid, but allows the user to adjust polygons in the case of imprecise planting. Resulting ROIs can be used for any downstream PlantCV analysis method requiring ROIs to analyze individual objects.

Type of update

• New feature or feature enhancement

For the reviewer
See this page for instructions on how to review the pull request.

• PR functionality reviewed in a Jupyter Notebook
• All tests pass
• Test coverage remains 100%
• Documentation tested
• New documentation pages added to plantcv-geospatial/mkdocs.yml
• Changes to function input/output signatures added to changelog.md
• Code reviewed
• PR approved

[deepsource-io]

Here's the code health analysis summary for commits c9052db..a09595e. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Python	✅ Success		View Check ↗
Test coverage	✅ Success		View Check ↗

Code Coverage Report

Metric	Aggregate	Python
Branch Coverage	100%	100%
Composite Coverage	100%	100%
Line Coverage	100%	100%
New Branch Coverage	100%	100%
New Composite Coverage	100%	100%
New Line Coverage	100%	100%

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