Update docs for nestjs-api-gateway: feat: add some helper, remove excludeHeaders

Author: actions-user

pages/nestjs-api-gateway/index.md

@@ -47,6 +47,7 @@ Import the `ApiGatewayModule` and use the `forRoot` method to configure the API
         ApiGatewayModule.forRoot({
             apiServices: env.API_SERVICES,
             openApiSecurityKeys: ['auth-user-id'],
+            openApiSecurityApiKeys: ['x-api-key'],
             excludeHeaders: ['auth-user-id'],
             throttler: {
                 globalRateLimit: 60,