UI: Model detail page

Implement /-/ml/models/{id}

Users go to this page to:

• Read the details about the model
• See the latest version of the model and its associated metadata
• List previous versions of the model
• Navigate between candidates of the model
• Navigate to a specific version of the model (/-/ml/models/{id}/versions/{version_id}

Technical details

• Backend Controller: Ml::ModelsController#show
• Backend Component: show_ml_model_component.rb
• Vue compoent: show_ml_model.vue