PercussiveElbow

This PR adds support for enumerating EFS filesystem [backup policies](https://docs.aws.amazon.com/efs/latest/ug/awsbackup.html) to determine whether or not backups have been enabled for a given filesystem.

Include support for this once Docker confirms they've patched the issue and a write up/PoC has been provided Ref https://twitter.com/TianfuCup/status/1325256507731054592

Codebase needs a refactor pass and some commentz.

Currently the tool just detects if we're sharing the host network namespace through looking for the "docker" network interface. This is a bit messy, so it's worth investigating if there's...

Would be useful to provide some quick information we can derive from socket access e.g. other running containers, available images etc