Add examples using ControlPlots without copying examples

[1-Bart-1]

• add examples_cp/menu_cp.jl
• use the same plot layout as in the old ControlPlots-based examples
• update documentation
• fix the install script (it did not copy the default manifest on Julia 1.12)
• fix the JETLS warnings
• fix test failure on Windows
• run all examples and fail if one of them fails
• with GLMakie backend, save as png and not as pdf because GLMakie does not support pdf

[Copilot]

Pull request overview

Adds a new ControlPlots-based examples entry point without duplicating the existing examples, refactors shared plotting/polar helpers, and updates docs/installation/test tooling to support the new workflow.

Changes:

• Introduce examples_cp/ project + menu_cp.jl, and wire it into install/launch tooling.
• Factor out shared polar/literature parsing and reuse it from both Makie and ControlPlots extensions (including optional moment plotting).
• Update examples/docs/tests to be backend-agnostic (except menu.jl loading GLMakie) and run examples via menu.jl --run-all.

Reviewed changes

Copilot reviewed 32 out of 37 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
test/test_setup.sh	Adjusts CI setup checks and runs examples via menu.jl --run-all.
test/plotting/test_plotting.jl	Expands plotting tests (show_plot dispatch, distributed inflow, literature parsing, moments).
test/Project.toml	Adds DelimitedFiles to support new test cases.
test/Aqua.jl	Tweaks Aqua config for Windows persistent task check.
src/wing_geometry.jl	Uses isequal for distribution comparisons; tightens aero-data interpolation validation.
src/solver.jl	Docstring clarification for vector component indices and return format.
src/settings.jl	Docstring unit formatting and minor type reference tweak.
src/plotting_helpers.jl	New shared helpers for literature parsing + polar generation.
src/VortexStepMethod.jl	Includes the new plotting helpers module file.
scripts/build_docu.jl	Simplifies docs dev script to activate docs environment before servedocs.
ext/VortexStepMethodMakieExt.jl	Tightens save_plot/show_plot signatures; reuses shared helpers; adds optional moments plotting.
ext/VortexStepMethodControlPlotsExt.jl	Improves save/geometry robustness; reuses shared helpers; adds optional moments plotting; label handling improvements.
examples_cp/menu_cp.jl	New ControlPlots menu/runner pointing at the existing examples/ scripts.
examples_cp/Project.toml	New environment for ControlPlots examples.
examples/stall_model.jl	Updates plotting calls to new layout/flows and backend-agnostic usage.
examples/rectangular_wing.jl	Removes GLMakie coupling; splits combined plotting into geometry/distribution/polars.
examples/ram_air_kite.jl	Removes GLMakie coupling; updates plotting calls and formatting.
examples/pyramid_model.jl	Removes GLMakie coupling; updates plotting calls and formatting.
examples/menu.jl	Adds --run-all mode and centralizes example list; keeps GLMakie load in menu.
examples/billowing.jl	Removes GLMakie coupling; updates plotting calls; enables moments in polars.
examples/bench.jl	Removes GLMakie coupling; minor formatting/timing comment update.
examples/V3_kite.jl	Removes GLMakie coupling; updates plotting calls; enables moments; refactors solver comparisons.
examples/Project.toml	Drops ControlPlots dep from the main examples environment.
docs/src/index.md	Updates installation/dev instructions and menu entry points (menu() / menu_cp()).
docs/src/examples.md	Updates example walkthrough formatting and mentions ControlPlots menu.
data/ram_air_kite/ram_air_kite_foil_cm_polar.csv	Removes generated polar CSV from repo.
data/ram_air_kite/ram_air_kite_foil_cl_polar.csv	Removes generated polar CSV from repo.
data/ram_air_kite/ram_air_kite_foil_cd_polar.csv	Removes generated polar CSV from repo.
bin/run_julia	Adds menu_cp() helper for quick launching ControlPlots menu.
bin/jetls_examples	Instantiates examples_cp and checks it with JETLS.
bin/install	Ensures manifests are copied for 1.11/1.12; instantiates/precompiles examples_cp; warms both plotting extensions.
README.md	Updates install/run instructions; adds ControlPlots menu entry point; fixes example snippet.
Project.toml	Adds examples_cp to workspace; updates compat for RecursiveArrayTools and SciMLBase.
Manifest-v1.12.toml.default	Updates lockfile hash/deps due to dependency/compat changes.
Manifest-v1.11.toml.default	Updates lockfile hash/deps due to dependency/compat changes.
.markdownlint.json	Adds markdownlint config to relax/standardize markdown formatting checks.
.gitignore	Adds ignores for generated results and removed/generated ram-air polar CSVs.

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[ufechner7]

Please, fix the GitHub Copilot comments.