Update note on Amazon RDS usage.

Author: keithf4

README.md

@@ -65,7 +65,9 @@ If you need the role to also be able to create schemas, you will need to grant c
 
     GRANT CREATE ON DATABASE mydb TO partman;
 
-I've received many requests for being able to install this extension on Amazon RDS. RDS does not support third-party extension management outside of the ones it has approved and provides itself. Therefore, I cannot provide support for running this extension in RDS if the limitations are RDS related. If you'd like to see this extension available there, please send an email to [email protected] requesting that they include it. The more people that do so, the more likely it will happen!
+I've received many requests for being able to install this extension on Amazon RDS. As of PostgreSQL 12.5, RDS has made the pg_partman extension available. Many thanks to the RDS team for including this extension in their environment!
+
+https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/PostgreSQL_Partitions.html
 
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