docs: update Supabase MCP cookbook with RLS security examples (#8371)

Author: bdougie

docs/docs.json

@@ -263,6 +263,7 @@
               "guides/sanity-mcp-continue-cookbook",
               "guides/sentry-mcp-error-monitoring",
               "guides/snyk-mcp-continue-cookbook",
+              "guides/supabase-mcp-database-workflow",
               "guides/dlt-mcp-continue-cookbook",
               "guides/netlify-mcp-continuous-deployment",
               "guides/chrome-devtools-mcp-performance"

docs/guides/overview.mdx

@@ -29,6 +29,7 @@ Step-by-step guides for integrating Model Context Protocol (MCP) servers with Co
 - [Sanity CMS Integration Cookbook](/guides/sanity-mcp-continue-cookbook) - Manage headless CMS content with AI-powered workflows using Sanity MCP
 - [Sentry Error Monitoring Cookbook](/guides/sentry-mcp-error-monitoring) - Automated error analysis with Sentry MCP to identify patterns and create actionable GitHub issues
 - [Snyk + Continue Hub Agent Cookbook (MCP)](/guides/snyk-mcp-continue-cookbook) - Integrate Snyk MCP via Continue Hub to scan code, deps, IaC, and containers
+- [Supabase Database Workflow Cookbook](/guides/supabase-mcp-database-workflow) - Audit Row Level Security in your Supabase database, identify vulnerabilities, and automatically generate fixes using Supabase MCP
 - [dlt Data Pipelines Cookbook](/guides/dlt-mcp-continue-cookbook) - Build AI-powered data pipelines with dlt MCP for pipeline inspection, schema management, and debugging
 
 ## What Advanced Tutorials Are Available