feat: Implement basic general folder support (#2051)

- Related: #1748

eslint.config.mjs

@@ -0,0 +1,28 @@
+import { defineConfig } from 'eslint/config';
+import tsParser from '@typescript-eslint/parser';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import js from '@eslint/js';
+import { FlatCompat } from '@eslint/eslintrc';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default defineConfig([
+  {
+    extends: compat.extends('plugin:@typescript-eslint/recommended', 'prettier'),
+
+    languageOptions: {
+      parser: tsParser,
+      ecmaVersion: 2020,
+      sourceType: 'module',
+    },
+
+    rules: {},
+  },
+]);