add cypress tests to readme

Author: ghiscoding-SE

README.md

@@ -38,8 +38,8 @@ Check out the [Releases](https://github.com/ghiscoding/Angular-Slickgrid/release
 - version `2.x.x` for Angular 7+ 
   - since version `2.11.0`, you can also change your build `target` to `ES2015` for modern browser.
 
-### Fully Tested with [Jest](https://jestjs.io/)
-Angular-Slickgrid recently reached **100%** Test Coverage, we are talking about ~10,000 lines of code (+2,600 unit tests) that are now fully tested with [Jest](https://jestjs.io/).
+### Fully Tested with [Jest](https://jestjs.io/) (Unit Tests) - [Cypress](https://www.cypress.io/) (E2E Tests)
+Angular-Slickgrid reached **100%** Unit Test Coverage, we are talking about ~10,000 lines of code (+2,600 unit tests) that are now fully tested with [Jest](https://jestjs.io/). There are also over 300 Cypress E2E tests to cover most UI functionalities.
 
 ## Installation
 Refer to the **[Wiki - HOWTO Step by Step](https://github.com/ghiscoding/angular-slickgrid/wiki/HOWTO---Step-by-Step)** and/or clone the [Angular-Slickgrid Demos](https://github.com/ghiscoding/angular-slickgrid-demos) repository. Please don't open any issue unless you have followed these steps (from the Wiki), and if any of the steps are incorrect or confusing, then please let me know.