Update index.js

index.js

@@ -20,7 +20,7 @@ app.get('/api/test', async (req, res) => {
 
 // Test Express API POST method with variables
 app.post('/api/chat', async (req, res) => {
-  const reqData = req.body; // assuming reqData is sent in the request body
+  const reqData = req.json();
   const userInput = reqData.userInput;
   
   const model = new LlamaModel({