add openai validation

app/home/(user)/_lib/server/is-valid-open-ai-env.ts

@@ -0,0 +1,13 @@
+import OpenAI from 'openai';
+
+export const isValidOpenAiEnv = async () => {
+  const client = new OpenAI();
+
+  try {
+    await client.models.list();
+    return true;
+  } catch (e) {
+    console.log('No openAI env');
+    return false;
+  }
+};