why

• this integration is stale

what changed

• removed creawi integration src, removed its corresponding docs changes, added redirects to the main integrations page for both v4 & v3 docs respectively

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Summary by cubic

Removes the CrewAI integration, which is stale, along with its source, docs, and logo. Redirects all CrewAI doc URLs from v3, v4, and legacy /integrations/crew-ai paths to the main integrations overview, and removes CrewAI mentions from the README and integration tables.