docs: readme

Author: Angular2Guy

README.md

@@ -9,6 +9,7 @@ Angular 14
 * [Developing and Using Angular Libraries](https://angular2guy.wordpress.com/2021/07/31/developing-and-using-angular-libraries/)
 * [Ngx-Simple-Charts multiline and legend support howto](https://angular2guy.wordpress.com/2021/10/02/ngx-simple-charts-multiline-and-legend-support-howto/)
 * [Multiple Entry Points for the NgxSimpleCharts Angular Library](https://angular2guy.wordpress.com/2021/12/26/multiple-entry-points-for-ngxsimplecharts-angular-library/)
+* [Donut Charts are added to the Ngx-Simple-Charts library](https://angular2guy.wordpress.com/2022/09/10/donut-charts-are-added-to-the-ngx-simple-charts-library/)
 * [Configurable Services in the NgxSimpleCharts library](https://angular2guy.wordpress.com/2022/09/13/configurable-services-in-the-ngx-simple-charts-library/)
 
 ## Line Charts