Resources added for NgRx (#1045)

* Resources added for NgRx

* Update content/roadmaps/100-frontend/content/111-pick-a-framework/101-angular/101-ngrx.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/100-frontend/content/111-pick-a-framework/101-angular/101-ngrx.md

@@ -1 +1,9 @@
-# Ngrx
+# NgRx
+
+NgRx is an open source library that provides reactive state management for your Angular applications
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+
+<BadgeLink colorScheme='blue' badgeText='Official Docs' href='https://ngrx.io/docs'>Official Documentation</BadgeLink>
+<BadgeLink badgeText='Watch' href='https://www.youtube.com/watch?v=2LCo926NFLI'>Angular NgRx Redux Quick Start Tutorial</BadgeLink>
+<BadgeLink colorScheme='green' badgeText='Course' href='https://www.youtube.com/watch?v=nuHBHD32iw8'>NgRx Course</BadgeLink>