docs(angular): add feature modules content (#6715)

src/data/roadmaps/angular/content/feature-modules@w_BazXvINFyxDCHmlznfy.md

@@ -1 +1,9 @@
-# Feature Modules
+# Feature Modules
+
+Feature modules are `NgModules` for the purpose of organizing code. With feature modules, you can keep code related to a specific functionality or feature separate from other code. Delineating areas of your application helps with collaboration between developers and teams, separating directives, and managing the size of the root module.
+
+Visit the following resources to learn more:
+
+- [@official@Angular Official Docs - Feature Modules](https://angular.dev/guide/ngmodules/feature-modules#how-to-make-a-feature-module)
+- [@video@Creating a Feature Module | Understanding Angular Modules](https://www.youtube.com/watch?v=VaPhaexVa1U)
+- [@article@Feature module with lazy loading in Angular 15](https://medium.com/@jaydeepvpatil225/feature-module-with-lazy-loading-in-angular-15-53bb8e15d193)