Clean up

[CSSFrancis]

This PR cleans up the documentation and adds back in some examples that were not re-added to the git tracking after they were split off. This should better prepare the package for a 0.1.0 release.

[Copilot]

Pull request overview

This PR updates package metadata and documentation in preparation for the 0.1.0 release, and re-introduces a set of gallery/example scripts under Examples/PlotTypes to support the docs and user onboarding.

Changes:

• Added PEP 621 project metadata (readme/license/authors/classifiers/URLs) to pyproject.toml.
• Cleaned up and corrected multiple documentation pages (API/dev/getting started) and updated module naming.
• Added a suite of plot-type examples (1D, 2D, mesh, 3D, insets, bars) under Examples/PlotTypes/.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
upcoming_changes/11.maintenance.rst	Fixes wording/typos in a towncrier maintenance fragment.
pyproject.toml	Adds core packaging metadata (readme/license/authors/classifiers/URLs).
Examples/PlotTypes/README.rst	Introduces a short README for the PlotTypes example set.
Examples/PlotTypes/plot_spectra1d.py	Adds a worked 1D spectra example demonstrating overlays and widgets.
Examples/PlotTypes/plot_pcolormesh.py	Adds a non-linear axes pcolormesh example with overlays.
Examples/PlotTypes/plot_line_styles.py	Adds a focused example of linestyles/alpha/markers and setters.
Examples/PlotTypes/plot_inset.py	Adds an inset-plot example demonstrating floating inset panels.
Examples/PlotTypes/plot_image2d.py	Adds an imshow + histogram + widgets example (has a marker-coordinate bug).
Examples/PlotTypes/plot_bar.py	Adds a comprehensive bar chart example including grouped/log-scale updates.
Examples/PlotTypes/plot_3d.py	Adds a 3D plotting example (surface/scatter/line + live updates).
docs/getting_started.rst	Updates API references to the public anyplotlib.* exports.
docs/dev/index.rst	Updates dev docs (test paths/module layout); contains an on_change vs on_changed mismatch.
docs/api/index.rst	Refines API landing page wording and consolidates Axes/Plots/Layout description.
docs/api/figure_plots.rst	Renames the “Figure Plots” page title to “Axes, Plots & Layout”.

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.31%. Comparing base (437b5ef) to head (f79d001).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #13   +/-   ##
=======================================
  Coverage   78.31%   78.31%           
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  Files          29       29           
  Lines        2389     2389           
=======================================
  Hits         1871     1871           
  Misses        518      518           

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