feat: S3 as a database?

[pizzaminded]

when we exclude the fact, that S3 object storage for files, it can also be used as a key/value database, right?

• Create an adapters for various database backends (DDB/S3)
• Each Adapter should have some basic information about DB backend, such as:
• • Are indexes supported? (there would be yes for DynamoDB, no for S3)