fix: improves error messages

routes/register.js

@@ -100,8 +100,8 @@ router.post("/register", async (req, res) => {
       email: user.email,
       code: secretVerificationCode,
     });
-
     verificationCode.save();
+
     console.log("Created new account for: ", email);
     await mailTo(
       [email],
@@ -178,7 +178,7 @@ router.post("/authenticate", async (req, res) => {
         await User.findOneAndUpdate({ email: email }, { authDuration: authDuration });
         res.json({ status: "ok" });
       } catch (e) {
-        res.status(500).json({ error: "Failed due internal server error" });
+        res.status(500).json({ error: "Failed due internal server error: " + e.message });
       }
     }
   }