docs(blog): draft dotnet-crap post

[solrevdev]

Summary

• Add draft blog post for dotnet-crap with current site tone/format
• Explain CRAP as Change Risk Anti-Patterns in the overview
• Note heavy borrowing from existing CRAP implementations/prior art
• Add NuGet install/update instructions
• Keep as draft with published: false

Follow-up checklist (for when picking this up next)

1. Move repo from Dropbox path into Projects:
   • mv /Users/solrevdev/Dropbox/Projects/foremost/trello/2026-05-22_change-risk-anti-patterns_for-dotnet /Users/solrevdev/Projects/solrevdev.dotnet-crap
   • cd /Users/solrevdev/Projects/solrevdev.dotnet-crap
2. Set git remote to match blog URL:
   • git remote -v
   • git remote remove origin (if needed)
   • git remote add origin https://github.com/solrevdev/solrevdev.dotnet-crap.git
3. Configure auth + NuGet publishing secret:
   • gh auth login
   • Create NuGet API key on nuget.org
   • Add repo secret NUGET_API_KEY
   • Ensure workflow uses it for dotnet nuget push
4. Push + merge flow:
   • Push branch in tool repo
   • Open PR and merge to master (or chosen publish branch)
5. Make blog post live at publish time:
   • Set published: true
   • Rename post file date prefix and/or set front matter date: to actual publish date/time
   • Note permalink date changes if date is changed

Notes

• This PR is intentionally a draft content PR for review and timing.