fix(material/list): Mat Selection List example is limited to html tem…

…plating

Added a signle selection list as a reactive form to the list examples

Fixes angular#25894

src/components-examples/material/list/list-single-selection-reactive-form/list-single-selection-reactive-form-example.ts

@@ -6,7 +6,7 @@ interface Shoes {
   name: string;
 }
 /**
- * @title List with single selection using Reactive Forms
+ * @title List with single selection using a reactive forms approach
  */
 @Component({
   selector: 'list-single-selection-reactive-form-example',