infer target repo from current directory

[keturn]

When the current directory is a git repository, gh-release-apt should infer the target owner/repo from it.

That can be a finicky process when there are multiple remotes defined (usually because forks), but hopefully anything involved in making releases isn't running on a fork?

[AnkitRewar11]

Hi @keturn, I would like to work on this issue. I'll implement a logic to infer the owner/repo from the git remotes if the target is not provided. Could you please assign this to me?