chore(s3): Move lib to the AWS provider and include tests (#2664)

mkdocs.yml

@@ -46,6 +46,7 @@ nav:
           - AWS Organizations: tutorials/aws/organizations.md
           - AWS Regions and Partitions: tutorials/aws/regions-and-partitions.md
           - Scan Multiple AWS Accounts: tutorials/aws/multiaccount.md
+          - Send reports to AWS S3: tutorials/aws/s3.md
           - AWS CloudShell: tutorials/aws/cloudshell.md
           - Checks v2 to v3 Mapping: tutorials/aws/v2_to_v3_checks_mapping.md
           - Tag-based Scan: tutorials/aws/tag-based-scan.md