[Feature] Add support for debconf config script

[hector-cao]

One important feature for the Ubuntu/Debian package management is to configure a package installation with debconf

A package can provide the config script as debconf front-end to interactively ask users at package installation about the
installations options and fill the debconf datebase.

The first step for debcraft is to allow developers to deploy a config/templates files for a package.

[syncronize-issues-to-jira]

Thank you for reporting your feedback to us!

The internal ticket has been created: https://warthogs.atlassian.net/browse/DEBCRAFT-67.

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