Add snapshot_identifier

What

• Add snapshot_identifier argument

Why

• We need this option for restoring RDS instance from the snapshot

Add `db_parameter` option

What

• Add db_parameter option

Why

• Sometimes we need to add special parameters to the RDS database

Rename Repo

What

• Rename repo

Why

• To conform to community standard: https://www.terraform.io/docs/registry/modules/publish.html

Propagate `attributes` and `tags` from `variables.tf` to `label` module

Propagate attributes and tags from variables.tf to label module

Initial release

Add Terraform resources (#1)

* Add Terraform resources

* Fix LICENSE

* Add README.md and tests

* Fix variable names