Add Azure DevOps VersionController

[rerikson]

What does this change

This adds a new VersionController implementation for Azure DevOps

For example if it introduces a new flag or modifies a commands output, give an example of you running the command and showing real output here.

Redacted Command

 multi-gitter  run ./examples/general/replace.sh  --conflict-strategy replace --git-type cmd -m "test message" --token <faketoken> -g https://dev.azure.com/<my-org> -p azuredevops -R <ProjectName>/<RepoName> reviewers [email protected]

Redacted Output

INFO[0001] Running on 1 repositories                    
INFO[0001] Cloning and running script                    repo=<MyProject>/<MyRepo>
INFO[0003] Pushing changes to remote                     repo=<MyProject>/<MyRepo>
INFO[0004] Creating pull request                         repo=<MyProject>/<MyRepo>

What issue does it fix

Closes #475

If there is not an existing issue, please make sure we have context on why this change is needed. .

Notes for the reviewer

go is not my main language, but hopefully this is pretty close to what you would be looking for in a new VersionController for AzureDevops. I tried my best to follow existing implementations, but I'm happy to make any changes!

Checklist

• [x ] Made sure the PR follows the CONTRIBUTING.md guidelines
• [ x] Tests if something new is added