Fixes and adjustments to demo

libs/shared-dto/eslint.config.mjs

@@ -0,0 +1,19 @@
+import baseConfig from '../../eslint.config.mjs';
+
+export default [
+  ...baseConfig,
+  {
+    files: ['**/*.json'],
+    rules: {
+      '@nx/dependency-checks': [
+        'error',
+        {
+          ignoredFiles: ['{projectRoot}/eslint.config.{js,cjs,mjs,ts,cts,mts}'],
+        },
+      ],
+    },
+    languageOptions: {
+      parser: await import('jsonc-eslint-parser'),
+    },
+  },
+];