docs: rewrite 36 more pages; add Getting-Started and How-Do-I
New pages:
- Getting-Started.md — minimal template, local server, required config/sections
- How-Do-I.md — task-oriented guide for common spec editor operations
Rewritten config pages (with Type/Default headers and markdown tables):
section, publishDate, previousPublishDate, previousMaturity, format,
maxTocLevel, noTOC, subtitle, highlightVars, dark-mode, isPreview,
modificationDate, otherLinks, latestVersion, canonicalURI, doJsonLd,
dir, lang, pluralize, respecIsReady, document.respec, rs-changelog,
gh-contributors, removeOnSave, monetization, crEnd, prEnd, noRecTrack
Deprecated pages (migration guidance to group):
wg, wgId, wgURI, wgPatentURI, wgPublicList
Removed page:
processVersion (removed in v19.5.0 — page updated to say so)