Configurable commit author #720
Description
Currently
The current database user is used as a commit author (usually root).
Optionally, if Dolt-Workbench is running in a docker container, there seems to be an option to use Http-Proxy headers as an alternate commit author.
Why this is not enough
One could add a new database user with the correct credentials, but from a quick look this does not include an authors e-mail. Plus, for dolt cli, we need to configure the commit author regardless.
The commit history then includes a bunch of "root"-authors which makes it impossible to distinguish commits by different authors. Bonus points if you try to use these commits on a collab-platform like DoltLab, where the link to the author is broken because it just links to the provided author name (instead of the account that pushed the commits).
New Feature request
Ideally, Dolt Workbench can use the author configured in dolt config, so setting up new team members only requires adding their credentials there. Alternatively, Dolt Workbench uses its own configuration environment for a similar result.
During commit, the user can then select which credentials to use for the commit (maybe provide a way to choose a default)