Documentation Link

https://matplotlib.org/devdocs/devel/development_setup.html

Problem

The install docs don't have instructions on how to check that the install went through correctly. I think, especially for new contributors, it'd be helpful if we offered a drop more guidance.

Suggested improvement

Add a new section to https://github.com/matplotlib/matplotlib/blob/main/doc/devel/development_setup.rst after install in editable mode. This section should:

1. Have instructions for checking that the version that's installed matches the last commit import matplotib; matplotib.__version__ is the repo import matplotlib; matplotlib.__file__

2. Link to the running the tests page to verify that the code installed clean: https://github.com/matplotlib/matplotlib/blob/main/doc/devel/testing.rst#L35

3. Link to the building the docs page to verify that the docs build clean: https://github.com/matplotlib/matplotlib/blob/main/doc/devel/document.rst

Tests and docs should be sentences with links (or a bullet list of table) and not the instructions specifically so that this section acts as an introduction/nudge to those pages and so that we won't have to maintain two sets of instructions.