Add expiry warning to user activation mail

src/user/user.service.ts

@@ -84,13 +84,13 @@ export async function resetUser(userId: string, user: AuthenticatedUser) {
   const sent = await sendMail(
     userInDb.email,
     "Quicker Permits account reset",
-    `Click <a href="${
+    `<p>Click <a href="${
       process.env.SERVER_DOMAIN +
       "/auth/webauthn/register?token=" +
       token +
       "&email=" +
       userInDb.email
-    }">here</a> to reset.`
+    }">here</a> to reset.</p><p>The above link expires in 48 hours</p>`
   );
 }