Not able to specify DynamoDb host

[magudb]

Actual Behaviour

Should be able to set a host for the dynamodb, but there is no exposed setting.

Expected Behaviour

That you can set the host of the dynamodb, this makes it simple to use docker as dev environment

Steps to reproduce it

there is no option to set host

LogCat for the issue

Provide logs for the crash here

Screenshots of the issue

Where-ever possible attach a screenshot of the issue.

Would you like to work on the issue?

I have a PR ready