Add missing file after update to Next.js 12 and Tailwind CSS 3

Author: ixartz

lint-staged.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  '*.{js,jsx,ts,tsx}': ['eslint --fix', 'eslint'],
+  '**/*.ts?(x)': () => 'npm run build-types',
+  '*.json': ['prettier --write'],
+};