Add site scaffold, PWA, docs, and accessibility

Add initial site scaffolding and major features: editor/config (.editorconfig, .gitignore), site pages (index.html, 404.html), PWA metadata (manifest.json, sw.js updates), and package.json. Introduce documentation and governance files (ACCESSIBILITY.md, ARCHITECTURE.md, CHANGELOG.md, CONTRIBUTING.md, SECURITY.md). Add new utilities and UX improvements in scripts (logger.js, keyboardShortcuts.js, lazyLoader.js, validatePatches.js) and update core scripts (coreUI.js, populatePatches.js, pwa.js, search.js). Add component styles (accessibility, keyboard-shortcuts, pwa-cache) and tweak root.css. Update assets/data/patches.json. These changes set up offline support, accessibility (WCAG-focused), keyboard shortcuts, lazy loading, validation tooling, and logging to improve maintainability and user experience.

Author: MrRowey

.editorconfig

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+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+trim_trailing_whitespace = true
+
+# HTML files
+[*.html]
+indent_style = space
+indent_size = 2
+
+# CSS/SCSS files
+[*.{css,scss,sass}]
+indent_style = space
+indent_size = 2
+
+# JavaScript files
+[*.{js,mjs}]
+indent_style = space
+indent_size = 2
+quote_type = single
+
+# JSON files
+[*.json]
+indent_style = space
+indent_size = 2
+
+# YAML files
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+# Markdown files
+[*.md]
+trim_trailing_whitespace = false
+indent_style = space
+indent_size = 2
+
+# Makefile
+[Makefile]
+indent_style = tab
+
+# Service Worker
+[sw.js]
+indent_style = space
+indent_size = 2
+
+# Manifest
+[manifest.json]
+indent_style = space
+indent_size = 2

.gitignore

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+# Editor directories and files
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+.idea/
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+*.swp
+*~
+.DS_Store
+
+# OS generated files
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+$RECYCLE.BIN/
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+pnpm-debug.log*
+
+# Temporary files
+*.tmp
+*.temp
+*.cache
+.sass-cache/
+
+# Build outputs (if you add a build process later)
+dist/
+build/
+.output/
+.vercel/
+.netlify/
+
+# Dependencies (if you add npm later)
+node_modules/
+.pnp
+.pnp.js
+
+# Testing (if you add tests later)
+coverage/
+*.lcov
+.nyc_output/
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Service worker and cache
+# Note: sw.js is tracked, but exclude debug versions
+sw.debug.js
+
+# Backup files
+*.bak
+*.backup
+*_backup
+backup/
+
+# Archive files
+*.zip
+*.tar.gz
+*.rar
+*.7z
+
+# Patches in progress (keep the TBD directory clean)
+pages/**/TBD.html
+pages/**/*.draft.html
+
+# Local test data
+test-data/
+local-patches/
+
+# Analytics and monitoring data
+analytics-data/
+performance-reports/
+
+# Static site generators (if used later)
+.next/
+.nuxt/
+.cache/
+public/
+
+# Documentation build
+docs/.vuepress/dist/
+docs/_site/
+
+# Lock files (if you add package managers)
+package-lock.json
+yarn.lock
+pnpm-lock.yaml
+
+# Local configuration
+local.config.js
+local.config.json