Determine co-author anonymous email by remote `origin` address

[wevtimoteo]

Currently, our utility only considers GitHub anonymous emails. We should check if git remote origin address contains GitHub or GitLab to build proper source provider anonymous email.

Sub tasks:

• Command add accepts two arguments
• Command add works without arguments
• Store the authors email commiter

$ git shortlog --summary --email --committer
     
     3  👻 <doo@example.com>
 
     1  👻 Doo <john@example.com>

Notes:

Decide how and when we are going to store the co-authors status from git shortlog --summary --email --committer
 command.

Currently stored data on git config ⬇️:

[pair]
	
     coauthor = 👻

We are proposing something like ⬇️ :

[pair]
	
     coauthor = 👻 <doo@example.com>
 

[wevtimoteo]

We should take a look at .mailmap to store known authors:

https://www.git-scm.com/docs/git-shortlog/2.18.0#_mapping_authors
https://blog.developer.atlassian.com/aliasing-authors-in-git/