added wpa needed files. WPA is still WIP.

pages/api/email.ts

@@ -290,6 +290,8 @@ export default async function handler(req, res) {
 
                 }
                 break;
+
+            case "sendNewAssignmentEmails":
             default:
                 return res.status(400).json({ message: "Invalid action" });
         }