Align SDK with OpenAPI Spec - Add SmartCrawler Endpoint

📋 Summary

The current SDKs have discrepancies with the official OpenAPI specification. The main issues are:

1. Endpoint Naming Mismatch: The SDK's crawl() method actually calls the /crawl endpoint, but the OpenAPI spec defines two separate endpoints: /smartcrawler and /crawl with different parameters

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🔍 Current State Analysis

SDK vs OpenAPI Comparison

Feature	OpenAPI Spec	Current SDK Implementation	Status
SmartCrawler endpoint (/smartcrawler)	✅ Defined with url, prompt, schema, depth, max_pages, sitemap, render_heavy_js	❌ Not implemented	Missing
Crawl endpoint (/crawl)	✅ Defined with url, prompt, schema, depth, max_pages, sitemap, render_heavy_js, rules	✅ Implemented as crawl()	Exists