feat: Support OLLAMA provider

- Added OllamaClient to handle conversations with the Ollama API.
- Introduced OllamaDialect for managing thinking modes.
- Created data classes: OllamaFunctionCall, OllamaListedModel, OllamaMessage, OllamaShowRequest, OllamaShowResponse, OllamaTagsResponse, OllamaToolCall, OllamaToolDefinition, and OllamaToolFunction for structured API communication.
- Developed unit tests for OllamaClient to validate model listing, chat completion, streaming responses, and tool calling capabilities.
- Configured test properties for local Ollama instance.

src/main/java/de/extio/lmlib/profile/ModelProfile.java

@@ -45,6 +45,6 @@ public record ModelProfile(
 	}
 	
 	public static enum ModelProvider {
-		OAI_TEXT_COMPLETION, OAI_CHAT_COMPLETION;
+		OAI_TEXT_COMPLETION, OAI_CHAT_COMPLETION, OLLAMA;
 	}
 }