RFC: add quiver plot

This RFC proposes .

To add the quiver plot which draws arrows on a regular grid based on vector values at the grid point. Equivalent to the matplotlib quiver plot https://matplotlib.org/api/_as_gen/matplotlib.pyplot.quiver.html

No source file, test, or entry point is named. Start by reviewing this RFC and the linked matplotlib quiver reference, then locate the project's plotting entry point and existing tests. Done means adding a quiver plot that draws arrows on a regular grid from vector values at each grid point.

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