refactor: rename figlet app to ascii and update all references

GEMINI.md

@@ -8,7 +8,7 @@ This file provides foundational context and instructions for Gemini CLI when wor
 
 1.  **Color**: Advanced color theory, manipulation, and accessibility suite powered by `@valknarthing/pastel-wasm`.
 2.  **Units**: Smart unit converter supporting 187+ units across 23 categories, including a custom `tempo` measure.
-3.  **Figlet**: ASCII Art generator with 373 fonts and multi-format export.
+3.  **ASCII**: ASCII Art generator with 373 fonts and multi-format export.
 4.  **Media**: Browser-based file converter using **FFmpeg** and **ImageMagick** via WebAssembly (Zero server uploads).
 
 ## 🛠️ Tech Stack & Architecture
@@ -26,7 +26,7 @@ This file provides foundational context and instructions for Gemini CLI when wor
 ```bash
 .
 ├── app/                  # Next.js App Router
-│   ├── (app)/            # Core Tool Pages (color, units, figlet, media)
+│   ├── (app)/            # Core Tool Pages (color, units, ascii, media)
 │   └── globals.css       # Tailwind 4 configuration & global styles
 ├── components/           # UI Components
 │   ├── [tool]/           # Tool-specific components (e.g., components/color/)
@@ -37,7 +37,7 @@ This file provides foundational context and instructions for Gemini CLI when wor
 │   └── utils/            # General utilities (cn, format, etc.)
 ├── public/               # Static assets
 │   ├── wasm/             # WASM binaries (ffmpeg, imagemagick)
-│   └── fonts/            # Figlet fonts (.flf)
+│   └── fonts/            # ASCII fonts (.flf)
 └── types/                # TypeScript definitions
 ```