feat: add --guide options

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue: fixes 🚀 Feature: Add a --guide option for including a contributing walkthrough #982
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Adds --guide with the accompanying --guide-title, similar to the existing --logo and --logo-alt options. It will be inferred from an existing .github/DEVELOPMENT.md when present.

[codecov]

Codecov Report

Merging #983 (c5c4afe) into main (88f87b1) will increase coverage by 0.10%.
The diff coverage is 91.17%.

@@            Coverage Diff             @@
##             main     #983      +/-   ##
==========================================
+ Coverage   93.47%   93.57%   +0.10%     
==========================================
  Files          91       92       +1     
  Lines        4860     4921      +61     
  Branches      403      413      +10     
==========================================
+ Hits         4543     4605      +62     
+ Misses        316      315       -1     
  Partials        1        1              

Flag	Coverage Δ
create	70.99% <66.12%> (-0.11%)	⬇️
initialize	38.48% <58.06%> (+0.18%)	⬆️
migrate	69.86% <66.12%> (-0.10%)	⬇️
unit	68.57% <91.17%> (+0.43%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/create/createRerunSuggestion.ts	100.00% <100.00%> (ø)
src/shared/options/args.ts	100.00% <100.00%> (ø)
src/shared/options/createOptionDefaults/index.ts	100.00% <100.00%> (ø)
...reateOptionDefaults/readDefaultsFromDevelopment.ts	100.00% <100.00%> (ø)
src/shared/options/optionsSchema.ts	100.00% <100.00%> (ø)
src/shared/options/readOptions.ts	97.50% <100.00%> (+3.35%)	⬆️
...ps/writing/creation/dotGitHub/createDevelopment.ts	100.00% <100.00%> (ø)
src/shared/types.ts	0.00% <0.00%> (ø)

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[github-actions]

🎉 This is included in version v1.40.0 🎉

The release is available on:

• GitHub releases
• npm package (@latest dist-tag)

Cheers! 📦🚀