Use eslint-plugin-prettier and update readme

eslint.config.mjs

@@ -1,22 +1,16 @@
-import js from '@eslint/js';
-import globals from 'globals';
-import tseslint from 'typescript-eslint';
-import { defineConfig } from 'eslint/config';
+import js from "@eslint/js";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+import { defineConfig } from "eslint/config";
+import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
 
 export default defineConfig([
-	// {
-	//   files: ["**/*.{js,mjs,cjs}"],
-	//   plugins: { js },
-	//   extends: ["js/recommended"],
-	//   languageOptions: { globals: globals.node },
-	// },
-	{
-		files: ['**/*.{ts,mts,cts}'],
-		plugins: { tseslint },
-		extends: [tseslint.configs.recommended],
-		languageOptions: { globals: globals.node },
-		rules: {
-			'@typescript-eslint/no-unused-vars': 'warn',
-		},
-	},
+  {
+    files: ["**/*.{js,mjs,cjs,ts,mts,cts}"],
+    plugins: { js },
+    extends: ["js/recommended"],
+    languageOptions: { globals: globals.node },
+  },
+  tseslint.configs.recommended,
+  eslintPluginPrettierRecommended,
 ]);