filter out disabled cards

whoopsies
Closes #4

app/doorboy-proxy.py

@@ -68,6 +68,7 @@ async def view_doorboy_uids(request):
 
     flt = {
         "token.uid_hash": {"$exists": True},
+        "token.enabled": True,
         "inventory.owner.username": {"$in": users},
     }
     prj = {"token.uid_hash": True}