Add settings files for Ollama agent

[StevenBucher98]

Summary of the new feature / enhancement

I want a settings files to configure some of the settings for ollama agent like the model, streaming false or true and other settings to call the responses with.

• Model for ollama agent
• streaming
• port of endpoint
• other settings from the endpoint calls

Proposed technical implementation details (optional)

No response

[kborowinski]

@StevenBucher98 Adding settings file for Ollama is super important. I work in a disconnected environment, so I need to rely on Ollama. Could you also add history support, please? I look forward for the streaming option and model selection.