Auto Documentation Sync: GitHub to Slack with GPT-4o Mini Summaries

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Description: Keep your internal documentation always up to date with this n8n automation template. The workflow listens for GitHub pull request merges to the main branch, detects any changes in documentation files (README, /docs, or OpenAPI specs), and automatically summarizes and syncs updates to Confluence (or internal knowledge systems). It also alerts your team instantly via Slack with a summary of what changed. Ideal for DevOps, technical writers, and engineering teams who want to eliminat