Update documentation to current model generations (v1.1.0)

Amayyas committed Jul 6, 2026

📚 Add complete wiki documentation - Home page with project overview - Installation and Quick Start guides - Core concepts: Configuration, Providers, Messages, Streaming, Context - Advanced features: Multimodal, Function Calling, Error Handling, Tokens - API Reference: FlutterAI, AIConfig, AIResponse, Errors - Example: Complete Chat Application - FAQ, Contributing, Changelog, License - Sidebar and Footer for navigation

Amayyas committed Dec 5, 2025