Merge pull request #301 from mwvgroup/u/ch/consumer

Update the consumer's `ps-connector.properties` for LSST

Author: hernandezc1

broker/consumer/lsst/ps-connector.properties

@@ -37,3 +37,6 @@ cps.topic=PS_TOPIC
 cps.project=PROJECT_ID
 # include Kafka topic, partition, offset, timestamp as msg attributes
 metadata.publish=true
+# specify the maximum number of messages that can be received for the messages on a topic partition before publishing
+# them to Cloud Pub/Sub
+maxBufferSize=50