feat: Adjust eslint configuration to work with JS

packages/backend/.eslintrc.js

@@ -3,26 +3,8 @@ module.exports = {
   env: {
     node: true,
   },
-  parser: '@typescript-eslint/parser',
+  extends: ['eslint:recommended', 'prettier'],
-  plugins: ['@typescript-eslint'],
+  parserOptions: {
-  extends: [
+    ecmaVersion: 'latest',
-    'eslint:recommended',
+  },
-    'plugin:@typescript-eslint/recommended',
-    'prettier',
-  ],
-  overrides: [
-    {
-      files: ['**/*.test.ts', '**/test/**/*.ts'],
-      rules: {
-        '@typescript-eslint/ban-ts-comment': ['off'],
-        '@typescript-eslint/no-explicit-any': ['off'],
-      },
-    },
-    {
-      files: ['**/*.ts'],
-      rules: {
-        '@typescript-eslint/no-explicit-any': ['off'],
-      },
-    },
-  ],
 };