updated Readme for Angular+Typescript Usage

Author: dlucidone

README.md

@@ -44,6 +44,17 @@ XML widget to create the Material Design Floating Action Button for NativeScript
 PLEASE NOTE: The fab is on the same **row number** as the listview 
 ***
 
+#### Angular + TypeScript
+`import { registerElement } from "nativescript-angular/element-registry";`
+`registerElement("Fab", () => require("nativescript-floatingactionbutton").Fab);`
+
+##### HTML 
+```HTML
+<StackLayout>
+    <FAB (tap)="fabTap()" icon="res://ic_add_white" rippleColor="#f1f1f1" class="fab-button"></FAB>
+</StackLayout>
+
+
 #### CSS
 Recommended CSS styles.
 ```CSS