Fix CI/CD issues: Add @github/spark package and ESLint config

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

eslint.config.js

@@ -0,0 +1,34 @@
+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'
+
+export default tseslint.config(
+  { ignores: ['dist', 'node_modules', 'packages/*/dist', '.spark-initial-sha', 'e2e/**/*', '*.config.ts', '*.config.js'] },
+  {
+    extends: [js.configs.recommended, ...tseslint.configs.recommended],
+    files: ['**/*.{ts,tsx}'],
+    languageOptions: {
+      ecmaVersion: 2020,
+      globals: globals.browser,
+    },
+    plugins: {
+      'react-hooks': reactHooks,
+      'react-refresh': reactRefresh,
+    },
+    rules: {
+      ...reactHooks.configs.recommended.rules,
+      'react-refresh/only-export-components': [
+        'warn',
+        { allowConstantExport: true },
+      ],
+      '@typescript-eslint/no-explicit-any': 'warn',
+      '@typescript-eslint/no-unused-vars': ['warn', { 
+        argsIgnorePattern: '^_',
+        varsIgnorePattern: '^_' 
+      }],
+      'no-console': 'off', // Allow console logs in this app
+    },
+  },
+)

package.json

@@ -7,7 +7,8 @@
         "dev": "vite",
         "kill": "fuser -k 5000/tcp",
         "build": "tsc -b --noCheck && vite build",
-        "lint": "eslint .",
+        "lint": "eslint . --fix",
+        "lint:check": "eslint .",
         "optimize": "vite optimize",
         "preview": "vite preview",
         "test:e2e": "playwright test",