add comprehensive wiki documentation Created detailed wiki pages: - Home: Overview with quick start and navigation - Installation: Complete setup guide for development and production - Getting Started: Step-by-step tutorial with examples - Decorators: Comprehensive decorator reference - Relationships: Guide for HasMany, HasOne, BelongsTo, ManyToMany - TypeScript Types: Type-safe development guide All pages migrated from docs/ with wiki-specific formatting.

arcaela committed Jan 9, 2026