Add PURL to admin guide
Add PURL to admin guide

jimmccusker/callimachus,3-Round-Stones/callimachus,edwardsph/callimachus,3-Round-Stones/callimachus,3-Round-Stones/callimachus,3-Round-Stones/callimachus,edwardsph/callimachus,edwardsph/callimachus,jimmccusker/callimachus,jimmccusker/callimachus,edwardsph/callimachus,jimmccusker/callimachus,jimmccusker/callimachus,edwardsph/callimachus,edwardsph/callimachus,3-Round-Stones/callimachus,3-Round-Stones/callimachus,jimmccusker/callimachus