feat: add Settings and Suite pages with comprehensive settings management and question suite builder

- Implemented SettingsPage for configuring default provider, temperature, and model paths.
- Added SuitePage for managing a suite of questions with features to add, edit, duplicate, and delete questions.
- Introduced TypeScript configuration files for app and node environments.
- Set up Vite configuration for development server with API proxying to backend.

requirements.txt

@@ -1,10 +1,10 @@
+# Web backend
+fastapi>=0.115
+uvicorn[standard]>=0.30
+
 # Core dependencies
 requests>=2.31.0
 llama-cpp-python>=0.2.82
 
 # Apple Silicon (MLX) support (only needed on macOS ARM)
 mlx-lm>=0.10.0; platform_system == "Darwin" and platform_machine == "arm64"
-
-# GUI and plotting
-matplotlib>=3.0
-tkhtmlview