add hugging face call

src/app/api/chat/route.js

@@ -0,0 +1,20 @@
+import { InferenceAPI } from '@huggingface/inference';
+
+const hfAPI = new InferenceAPI({ apiKey: process.env.HUGGING_FACE_API_KEY });
+
+export default async function handler(req, res) {
+  if (req.method === 'POST') {
+    try {
+      const { query } = req.body;
+
+      const response = await hfAPI.query('m42-health/Llama3-Med42-8B', { inputs: { text: query } });
+
+      res.status(200).json({ answer: response.data[0].generated_text });
+    } catch (error) {
+      console.error(error);
+      res.status(500).json({ error: 'Error generating response' });
+    }
+  } else {
+    res.status(405).json({ error: 'Method Not Allowed' });
+  }
+}