DOCSP-31136 Adds --logPath to Quickstar (#225)

Author: kennethdyer

source/quickstart.txt

@@ -163,6 +163,7 @@ command is reformated here for clarity):
 .. code-block:: shell
 
    ./bin/mongosync \
+         --logPath /var/log/mongosync \
          --cluster0 "mongodb://clusterAdmin:superSecret@clusterOne01.fancyCorp.com:20020,clusterOne02.fancyCorp.com:20020,clusterOne03.fancyCorp.com:20020" \
          --cluster1 "mongodb://clusterAdmin:superSecret@clusterTwo01.fancyCorp.com:20020,clusterTwo02.fancyCorp.com:20020,clusterTwo03.fancyCorp.com:20020"