added revoke functionality to TODO

README.md

@@ -5,5 +5,10 @@ It currently does not provide any kind of authentication mechanism, so NAC and c
 
 Basic API calls provided:
 
-- GET root CA certificate for establishing trust
-- GET new host certificate signed by CA
+- GET `/ca/root-trust` -> get root CA certificate for establishing trust
+- GET `/ca/host-certificate` -> get new host certificate signed by CA
+
+TODO / Not yet implemented:
+
+- POST `/ca/revoke-certificate` -> revoke certificate
+- GET `/ca/revoke-certificate` -> check if cert has been revoked