docs: add bloomreach angular sdk (#1332)

Author: jdegand

README.md

@@ -806,6 +806,7 @@ become an Angular expert.
 * [@elastic/apm-rum-angular](https://www.npmjs.com/package/@elastic/apm-rum-angular) - Elastic APM Real User Monitoring for Angular applications.
 * [ngx-react](https://github.com/ngeenx/ngx-react) - Embed React components or apps into Angular projects.
 * [@interopio/ng](https://www.npmjs.com/package/@interopio/ng) - This [IO Connect](https://interop.io/) Angular wrapper aims to facilitate Angular developers in initializing the IO Connect JavaScript libraries and using IO Connect functionalities in their projects.
+* [Bloomreach Angular SDK](https://github.com/bloomreach/spa-sdk/blob/main/packages/ng-sdk/README.md) - Bloomreach Angular SDK provides simplified headless integration with [Bloomreach Content](https://www.bloomreach.com/en/products/content) for Angular-based applications.
 
 #### Internationalization