docs(angular): add attribute-directives content (#6523)

src/data/roadmaps/angular/content/attribute-directives@xvwby0FTdIolRrV2j88fY.md

@@ -1 +1,14 @@
-# Attribute Directives
+# Attribute Directives
+
+Change the appearance or behavior of DOM elements and Angular components with attribute directives.
+
+The most used attribute directives are:
+
+- ngClass
+- ngStyle
+- ngModel
+
+Visit the following resources to learn more:
+
+- [@official@Angular Official Docs - Attribute Directives](https://angular.dev/guide/directives/attribute-directives)
+- [@article@Angular Attribute Directive](https://www.scaler.com/topics/angular/angular-attribute-directive/)