fix README.md

Author: Yehonal

Diff for: docs/README.md

@@ -19,7 +19,11 @@ Nest-yalc stands for Nestjs - Yet Another Library Collection
 
 - [How to use the Api-Strategy library](./api-strategy.md)
 
-- [How to use the DefaultError library](./errors-default-error.md)
+- [How to use the DefaultError library](./errors.md)
+
+- [How to use the EventManager module library](./event-manager-module.md), [Event](./event-manager-event.md), [Service](./event-manager-service.md)
+
+- [How to use the Logger library](./logger.md)
 
 ## NPM package.json and Workspace