feat: initialize React client with Vite setup

- Added package.json with dependencies for React, Vite, TypeScript, and ESLint.
- Included Vite logo SVG and React logo SVG in the public and assets directories respectively.
- Created main application component (App.tsx) with basic structure and state management.
- Added global styles in index.css and component-specific styles in App.css.
- Configured TypeScript with tsconfig files for app and node environments.
- Set up Vite configuration for development server with specified host and port.

client/eslint.config.js

@@ -0,0 +1,23 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import tseslint from 'typescript-eslint'
+import { globalIgnores } from 'eslint/config'
+
+export default tseslint.config([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{ts,tsx}'],
+    extends: [
+      js.configs.recommended,
+      tseslint.configs.recommended,
+      reactHooks.configs['recommended-latest'],
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+  },
+])