♻️ feat: initialize web project with Vite and React Demonstration Simple Playground

- Added package.json for project dependencies and scripts.
- Created Vite logo SVG file.
- Added global styles in index.css.
- Implemented main application structure in App.jsx.
- Created BadgeRow component for displaying individual badges.
- Developed Section component to organize badge lists.
- Implemented VirtualBadgeList for efficient rendering of badges.
- Added WASM integration for parsing README files.
- Configured Vite for the project.

playground/web/eslint.config.js

@@ -0,0 +1,29 @@
+import js from '@eslint/js'
+import globals from 'globals'
+import reactHooks from 'eslint-plugin-react-hooks'
+import reactRefresh from 'eslint-plugin-react-refresh'
+import { defineConfig, globalIgnores } from 'eslint/config'
+
+export default defineConfig([
+  globalIgnores(['dist']),
+  {
+    files: ['**/*.{js,jsx}'],
+    extends: [
+      js.configs.recommended,
+      reactHooks.configs.flat.recommended,
+      reactRefresh.configs.vite,
+    ],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+      parserOptions: {
+        ecmaVersion: 'latest',
+        ecmaFeatures: { jsx: true },
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      'no-unused-vars': ['error', { varsIgnorePattern: '^[A-Z_]' }],
+    },
+  },
+])