Update eslint config to 9.x

Author: tshemsedinov

.eslintignore

@@ -0,0 +1,15 @@
+'use strict';
+
+const init = require('eslint-config-metarhia');
+
+module.exports = [
+  ...init,
+  {
+    rules: {
+      'class-methods-use-this': 'off',
+      'no-self-compare': 'off',
+      'no-extra-parens': 'off',
+      'no-invalid-this': 'off',
+   },
+  },
+];