docs(angular): add dependencies content (#6714)

src/data/roadmaps/angular/content/dependencies@5b590c7s-2XJ0rgdCYxLa.md

@@ -1 +1,9 @@
-# Dependencies
+# Dependencies
+
+A provider is an instruction to the Dependency Injection system on how to obtain a value for a dependency. Most of the time, these dependencies are services that you create and provide.
+
+Visit the following resources to learn more:
+
+- [@official@Angular Official Docs - Providing dependencies in modules](https://angular.dev/guide/ngmodules/providers)
+- [@article@Providers in Angular](https://www.scaler.com/topics/angular/providers-in-angular/)
+- [@article@Working with providers in Angular](https://sergeygultyayev.medium.com/working-with-providers-in-angular-eeb493151446)