Add literate.jl tutorial infrastructure

[kdayday]

• Adds the tutorial processing infrastructure documented in Switch tutorials to Literate.jl formatting and add script and Notebook links PowerAnalytics.jl#51, though current tutorials are still in .md format
• also adds DocumenterInterLinks infrastructure to enable @extref hyperlinks to PSY and PSCB

[github-actions]

Performance Results

Precompile Time

Main	This Branch	Delta
2.256 s	2.28 s	+1.1%

Execution Time

Test	Main	This Branch	Delta
matpower_ACTIVSg2000_sys-Build PTDF First	1.979 s	1.929 s	-2.6%
matpower_ACTIVSg2000_sys-Build PTDF Second	521.0 ms	494.5 ms	-5.1%
matpower_ACTIVSg2000_sys-Build Ybus First	13.4 ms	12.7 ms	-5.3%
matpower_ACTIVSg2000_sys-Build Ybus Second	12.0 ms	11.6 ms	-3.4%
matpower_ACTIVSg2000_sys-Build LODF First	161.0 ms	154.8 ms	-3.8%
matpower_ACTIVSg2000_sys-Build LODF Second	237.8 ms	163.2 ms	-31.4%
matpower_ACTIVSg2000_sys-Build VirtualMODF First	4.296 s	5.148 s	+19.8%
matpower_ACTIVSg2000_sys-Build VirtualMODF Second	208.0 ms	728.1 ms	+250.0%
matpower_ACTIVSg2000_sys-VirtualMODF Query 10 rows	506.8 ms	494.1 ms	-2.5%
matpower_ACTIVSg2000_sys-Radial network reduction First	480.8 ms	472.2 ms	-1.8%
matpower_ACTIVSg2000_sys-Radial network reduction Second	0.7 ms	0.6 ms	-5.4%
matpower_ACTIVSg2000_sys-Degree two network reduction First	1.845 s	1.858 s	+0.7%
matpower_ACTIVSg2000_sys-Degree two network reduction Second	1.1 ms	1.1 ms	-1.1%
Base_Eastern_Interconnect_515GW-Build Ybus First	3.948 s	3.779 s	-4.3%
Base_Eastern_Interconnect_515GW-Build Ybus Second	3.638 s	3.593 s	-1.2%
Base_Eastern_Interconnect_515GW-Radial network reduction First	42.0 ms	42.7 ms	+1.7%
Base_Eastern_Interconnect_515GW-Radial network reduction Second	45.5 ms	42.2 ms	-7.4%
Base_Eastern_Interconnect_515GW-Degree two network reduction First	375.7 ms	358.9 ms	-4.5%
Base_Eastern_Interconnect_515GW-Degree two network reduction Second	46.4 ms	36.4 ms	-21.4%

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.54%. Comparing base (9e7db39) to head (e4298a4).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #251      +/-   ##
==========================================
+ Coverage   78.52%   79.54%   +1.01%     
==========================================
  Files          38       38              
  Lines        3781     3783       +2     
==========================================
+ Hits         2969     3009      +40     
+ Misses        812      774      -38     

Flag	Coverage Δ
unittests	79.54% <ø> (+1.01%)	⬆️

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see 5 files with indirect coverage changes

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[kdayday]

@m-bossart I'm going ahead with adding this literate tutorial processing infrastructure now, since the documentation effort has been split in two, so future tutorials can be written directly using literate.jl format

[Copilot]

Pull request overview

Adds documentation tooling to support Literate.jl-based tutorial generation and cross-project linking in the docs build pipeline, plus automation for cleaning up Documenter preview artifacts.

Changes:

• Add tutorial-generation infrastructure (make_tutorials.jl) to produce Documenter-flavored markdown and companion notebooks, with post-processing for downloads/admonitions/images.
• Add DocumenterInterLinks configuration to enable @extref links to PowerSystems and PowerSystemCaseBuilder docs.
• Add CI wiring for setting DOCUMENTER_CURRENT_VERSION (for correct download links) and a new workflow to delete PR preview docs on PR close.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
docs/Project.toml	Adds docs-only dependencies needed for Literate tutorial generation and InterLinks.
docs/make.jl	Wires InterLinks plugin and calls tutorial generation before makedocs.
docs/make_tutorials.jl	New tutorial processing pipeline + notebook/markdown post-processing helpers.
.pre-commit-config.yaml	Adds a local pre-commit hook to run the Julia formatter script.
.github/workflows/docs.yml	Sets DOCUMENTER_CURRENT_VERSION in CI for correct generated download links.
.github/workflows/doc-preview-cleanup.yml	New workflow to remove gh-pages preview directories after PR close.

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