Monitoring time based lag in PostgreSQL pglogical replication

Setup of the replication lag check is explained in below:

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
LICENSE		LICENSE
README.md		README.md
lambda-pglogical-rep-monitor-psycopg2-layer.zip		lambda-pglogical-rep-monitor-psycopg2-layer.zip
lambda-pglogical-rep-monitor-rdsdbconnectcerti-layer.zip		lambda-pglogical-rep-monitor-rdsdbconnectcerti-layer.zip
pg_logical_lag_policy.json		pg_logical_lag_policy.json
pglogical_lag_monitor.py		pglogical_lag_monitor.py

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