docs: add ngx-keyboard-shortcuts (#2217)

Author: jdegand

README.md

@@ -1647,6 +1647,7 @@ Current Angular version: [![npm version](https://badge.fury.io/js/%40angular%2Fc
 * [ngx-arrow-state](https://github.com/jaychase/ngx-arrow-state) - An Angular library that provides terminal/shell-like input history navigation using arrow keys, plus Ctrl+Enter form submission for textareas.
 * [angular-onscreen-material-keyboard](https://github.com/eFaps/angular-onscreen-material-keyboard) - Onscreen virtual keyboard for Angular using Angular Material.
 * [@TanStack/hotkeys](https://github.com/TanStack/hotkeys) - Type-Safe keyboard shortcuts library with awesome devtools.
+* [ngx-keyboard-shortcuts](https://github.com/phalgunv/ngx-keyboard-shortcuts) - An actively maintained fork of the archived [ngx-keyboard-shortcuts](https://github.com/milestechnologies/ngx-keyboard-shortcuts) package, adding Angular 16+ support and modern tooling.
 
 ### Layout