rds_option_group (_info) new modules (ansible-collections#517)

rds_option_group (_info) new modules

SUMMARY

Attempt to resurrect ansible/ansible#25290
Fixes: ansible-collections#463

ISSUE TYPE

New Module Pull Request

COMPONENT NAME

rds_option_group
rds_option_group_info
Requires: mattclay/aws-terminator#144

Reviewed-by: Mark Chappell <None>
Reviewed-by: Alina Buzachis <None>
Reviewed-by: None <None>

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@142836b