docs(fix): backstage catalog techdocs

Author: AlvaroDavi5

catalog-info.yml

@@ -5,7 +5,7 @@ metadata:
   description: Node.js Boilerplate for Back-End using TypeScript
   annotations:
     github.com/project-slug: AlvaroDavi5/Node_BackEnd_Boilerplate-TypeScript
-    backstage.io/techdocs-ref: url:https://github.com/AlvaroDavi5/Node_BackEnd_Boilerplate-TypeScript/tree/main/
+    backstage.io/techdocs-ref: dir:.
   tags:
     - backend
     - node