Minor update to the page concerning NestJS-based micro-services

docs/miscellaneous/nestjs-micro-services.md

@@ -11,3 +11,7 @@ NestJS provides a [swagger module](https://docs.nestjs.com/recipes/swagger) that
 ## Health checks
 
 NestJS provides a health module based on [Terminus](https://github.com/nestjs/terminus), allowing developers to declare predefined and/or custom health indicators. By default, the health status of a given NestJS service is available through the `/health` endpoint.
+
+## Logging
+
+## Guards or how to implement an AUTHZ layer