chore(config): add initial project configuration and setup files

- Add .env.example with Microsoft Azure AD and Google Cloud OAuth client ID placeholders
- Create .gitignore to exclude node_modules, build output, env files, IDE, OS, logs, and test coverage
- Add .prettierrc for consistent code formatting rules
- Add README.md with project overview, features, setup instructions, project structure, and technologies used
- Add components.json with UI framework and alias configuration
- Configure eslint.config.js for linting TypeScript and React code with recommended settings
- Add index.html as application entry point with root div and main script reference
- Add package-lock.json capturing full dependency tree and versions for reproducible installs

vitest.config.ts

@@ -0,0 +1,13 @@
+/// <reference types="vitest" />
+import { defineConfig } from 'vitest/config';
+import react from '@vitejs/plugin-react';
+
+export default defineConfig({
+    plugins: [react()],
+    test: {
+        globals: true,
+        environment: 'jsdom',
+        setupFiles: './src/setupTests.ts',
+        css: true,
+    },
+});