Added the Trademark Symbol in readme files.

Syncfusion®
Essential®
Essential Studio®

README.md

@@ -2,7 +2,7 @@
 
 A quick start Angular project that shows how to add connectors in an Angular Diagram. This project includes a code snippet to add a connector programmatically and using the drawing tool. It also includes a code snippet to add different types of connector segments and decorator shapes.
 
-Refer to the connector’s documentation on the Syncfusion Angular Diagram component: 
+Refer to the connector’s documentation on the Syncfusion® Angular Diagram component: 
 https://ej2.syncfusion.com/angular/documentation/diagram/connectors 
 
 Check out this online connector example of the Angular Diagram component: