stub of registration resource

service/src/main/java/com/telephoners/krakyournet/ctf/resources/RegistrationResource.java

@@ -33,6 +33,7 @@ public class RegistrationResource
     @Path("/team")
     public String registerTeam(@QueryParam("teamName") final String teamName)
     {
+        //todo: check if exists
         Team team = new Team();
         team.setName(teamName);
         team.setDescription("descr");