Firecrawl Web Search Driver

[JuampiHernandez]

Hey, I'm Juampi from the Firecrawl team.

I'd like to add a FirecrawlWebSearchDriver next to the other web search drivers, built on BaseWebSearchDriver like they are.

Firecrawl's Search API returns a title, URL and description for each result, and can also return each result page as markdown in the same call (scrape_options). That fits the ListArtifact of JsonArtifacts the other drivers return.

Scope: griptape/drivers/web_search/firecrawl_web_search_driver.py, a drivers-web-search-firecrawl extra on firecrawl-py, unit tests, and a Firecrawl section in the web search drivers docs.

Branch: https://github.com/JuampiHernandez/griptape/tree/feat/firecrawl-web-search-driver
PR: #2367

If you'd rather have this as an extension than in core, I can do that instead.