add localstack mcp server docs (#536)

Author: HarshCasper

astro.config.mjs

@@ -415,6 +415,10 @@ export default defineConfig({
                   label: 'LocalStack CLI',
                   slug: 'aws/tooling/localstack-cli',
                 },
+                {
+                  label: 'LocalStack MCP Server',
+                  slug: 'aws/tooling/mcp-server',
+                },
                 {
                   label: 'lstk',
                   slug: 'aws/tooling/lstk',