Add 'capabilities' field to ShowModelResponse in OllamaApi

[solnone]

trafficstars

This update enables deserialization of the 'capabilities' field from the JSON response.

Ollama Show Model Information

Thank you for taking time to contribute this pull request! You might have already read the [contributor guide][1], but as a reminder, please make sure to:

• Sign the contributor license agreement
• Rebase your changes on the latest main branch and squash your commits
• Add/Update unit tests as needed
• Run a build and make sure all tests pass prior to submission