Code blocks that hold only shell commands now use the `sh` language,
and blocks showing a file's contents carry a `title` naming the file,
across the pnpm v12, pnpm v11, and pnpr docs. Bold file-name labels
above code blocks are folded into the titles.
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Port applicable documentation contributions from the website PR backlog to
pnpm/docs and pnpm11/docs now that documentation lives alongside the CLI.
Reconcile overlapping fixes and outdated paths against the current code.
Keep documentation for unmerged features with the implementation PRs.
The PR description credits each original author and records all 99 dispositions.