Add reasoning effort support

Current:

```typescript
const score = await evaluator({
			output,
			model: 'o3-mini',
			maxTokens: 50000,
		});
``` 

Want:

```typescript
const score = await evaluator({
			output,
			model: 'o3-mini',
			maxTokens: 50000,
                        reasoningEffort: 'high',
		});
``` 