fixing typo vercel.json

vercel.json

@@ -0,0 +1,15 @@
+{
+    "devCommand": "uvicorn main:app --host 0.0.0.0 --port 3000",
+    "builds": [
+        {
+            "src": "app.py",
+            "use": "@vercel/python"
+        }
+    ],
+    "routes": [
+        {
+            "src": "/(.*)",
+            "dest": "app.py"
+        }
+    ]
+}