refactor: rename figlet app to ascii and update all references

README.md

@@ -30,7 +30,7 @@ A powerful, intuitive converter that understands the way you work.
 - **Visual Comparison**: Dynamic chart views for comparing scale across different units.
 - **Favorites & History**: Save your most-used conversions for instant access.
 
-### ✍️ [Figlet](./app/(app)/figlet) — ASCII Art Generator
+### ✍️ [ASCII](./app/(app)/ascii) — ASCII Art Generator
 Retro-inspired text banners for terminals and documentation.
 - **373 Fonts**: From classic `Standard` to complex 3D and cursive styles.
 - **Real-time Preview**: See your ASCII art transform as you type.
@@ -73,20 +73,20 @@ Privacy-first, local-only media conversion powered by WebAssembly.
 ```bash
 .
 ├── app/                  # Next.js App Router (Pages & Layouts)
-│   ├── (app)/            # Core Tool Pages (Color, Units, Figlet, Media)
+│   ├── (app)/            # Core Tool Pages (Color, Units, ASCII, Media)
 │   └── api/              # Backend API routes
 ├── components/           # Reusable UI & Logic Components
 │   ├── color/           # Color-specific components
 │   ├── units/            # Converter-specific components
-│   ├── figlet/           # ASCII-specific components
+│   ├── ascii/           # ASCII-specific components
 │   ├── media/            # Media conversion components
 │   └── ui/               # Base Atomic Components (Buttons, Cards, etc.)
 ├── lib/                  # Business Logic & Utilities
 │   ├── color/           # WASM wrappers & Color logic
 │   ├── units/            # Conversion algorithms
-│   ├── figlet/           # Font loading & ASCII generation
+│   ├── ascii/           # Font loading & ASCII generation
 │   └── media/            # FFmpeg & ImageMagick WASM orchestration
-├── public/               # Static assets & Figlet fonts
+├── public/               # Static assets & ASCII fonts
 ├── Dockerfile            # Multi-stage Docker build
 └── nginx.conf            # Production Nginx configuration
 ```