fix: add baseURL for compat endpoint

Author: roerohan

src/content/docs/ai-gateway/get-started.mdx

@@ -89,6 +89,7 @@ export default {
 
 		const client = new OpenAI({
 			apiKey: unifiedAuth,
+			baseURL: "https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/compat",
 		});
 
 		// Use different providers by changing the model parameter
@@ -129,4 +130,4 @@ https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/{provider}
 
 - Learn more about [caching](/ai-gateway/features/caching/) for faster requests and cost savings and [rate limiting](/ai-gateway/features/rate-limiting/) to control how your application scales.
 - Explore how to specify model or provider [fallbacks, ratelimits, A/B tests](/ai-gateway/features/dynamic-routing/) for resiliency.
-- Learn how to use low-cost, open source models on [Workers AI](/ai-gateway/usage/providers/workersai/) - our AI inference service.
+- Learn how to use low-cost, open source models on [Workers AI](/ai-gateway/usage/providers/workersai/) - our AI inference service.