feat(help): add centralized help system with shared packages

- Add @manacore/shared-help-types with TypeScript types and Zod schemas
- Add @manacore/shared-help-content with Markdown parser, content loader, and Fuse.js search
- Add @manacore/shared-help-ui with Svelte 5 components (HelpPage, FAQSection, FeaturesOverview, etc.)
- Add @manacore/shared-help-mobile with React Native components for Expo apps
- Add help translations to shared-i18n (de, en, fr, it, es)
- Implement self-contained help page in Contacts app with FAQ, Features, Shortcuts, and Contact sections
- Support i18n with German and English content

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/shared-help-content/src/index.ts

@@ -0,0 +1,52 @@
+/**
+ * @manacore/shared-help-content
+ * Central help content and utilities for loading, parsing, and searching
+ */
+
+// Parser utilities
+export {
+	parseMarkdown,
+	parseMarkdownFiles,
+	stripHtml,
+	generateExcerpt,
+	type ParsedContent,
+	type ParseOptions,
+} from './parser.js';
+
+// Content loader
+export {
+	parseFAQContent,
+	parseFeatureContent,
+	parseShortcutsContent,
+	parseGettingStartedContent,
+	parseChangelogContent,
+	parseContactContent,
+	loadHelpContentFromFiles,
+	type LoaderOptions,
+} from './loader.js';
+
+// Content merger
+export { mergeContent, createEmptyContent } from './merger.js';
+
+// Search functionality
+export { buildSearchIndex, search, createSearcher, flattenContentForSearch } from './search.js';
+
+// Re-export types for convenience
+export type {
+	HelpContent,
+	FAQItem,
+	FeatureItem,
+	ShortcutsItem,
+	GettingStartedItem,
+	ChangelogItem,
+	ContactInfo,
+	SupportedLanguage,
+	MergeContentOptions,
+} from '@manacore/shared-help-types';
+
+export type {
+	SearchResult,
+	SearchOptions,
+	SearchIndexConfig,
+	SearchableItem,
+} from '@manacore/shared-help-types';