[Feature Request] Azure DevOps log line formatting

**Is your feature request related to a problem? Please describe.**
`docfx` currently prints errors and warnings formatted in a way is helpful but is one step short of being natively integrated with Azure DevOps so that they appear in system UI.

**Describe the solution you'd like**
Add a new flag, `--formatAdo` (this can be named anything, this is just a bad suggestion) that adjusts the formatting of errors and warnings to fit the documented format for ADO:
https://learn.microsoft.com/en-us/azure/devops/pipelines/scripts/logging-commands?view=azure-devops&tabs=bash#example-log-a-warning-about-a-specific-place-in-a-file