Better notes on restarting the gphotos uploader

Testing/gphotos-uploader.README.txt

@@ -1 +1,7 @@
-To reauthenticate, you have to delete /mnt/kubernetes/volumes/static/gphotos-uploader-config/fred.damstra@gmail.com
+To reauthenticate:
+```
+rm /mnt/kubernetes/volumes/static/gphotos-uploader-config/fred.damstra@gmail.com
+kubectl get pods
+kubectl exec REPLACEME -- run
+```
+