adds the ability to pass a specific model-id to generate, chat and serve. This model id is then resolved out of the config if found, and details like the model-family, path etc are extracted and passed further
This is required to support 3rd party models being used as students, teachers etc in an easy way. The model family value is passed into sdg and appropriate chat template is selected based on what is passed

Checklist:

• Commit Message Formatting: Commit titles and messages follow guidelines in the
  conventional commits.
• Changelog updated with breaking and/or notable changes for the next minor release.
• Documentation has been updated, if necessary.
• Unit tests have been added, if necessary.
• Functional tests have been added, if necessary.
• E2E Workflow tests have been added, if necessary.