Add a file/object list table to `aws_s3` module

[depombo]

Each listed file in the table should have a foreign key to bucket in aws_s3. We should try to follow the same convention as the ACM modules. Perhaps simply be able to list and delete, but not upload for the first pass?

[depombo]

@aguillenv / @dfellis this is another candidate for a custom function right?

[aguillenv]

it could be possible candidate having the table to list/delete and the functions to create/update?

[dfellis]

So I figured a table would be good for listing files and their attributes (with the ability to mutate those attributes the normal IaSQL way), but reading/writing file data would be custom functions.

[depombo]

Remove the rpc call from https://github.com/iasql/iasql-engine/pull/1389, once we have this