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.

server/__init__.py

@@ -0,0 +1,9 @@
+"""LM-Gambit web backend.
+
+Wraps the existing ``.core`` diagnostic engine in a FastAPI application so the
+React frontend can drive it. The engine itself is untouched: providers, the
+runner and the markdown reporting pipeline behave exactly as they do for the
+``auto-test.py`` CLI.
+"""
+
+__version__ = "2.0.0"