add ziko.js library

Co-authored-by: Tom Österlund <tom_jonathan.oesterlund@prosiebensat1.com>

README.md

@@ -250,6 +250,7 @@ A collection of awesome browser-side [JavaScript](https://developer.mozilla.org/
 * [Blockly](https://github.com/google/blockly) - A library that adds a visual code editor to web and mobile apps by Google.
 * [Million](https://github.com/aidenybai/million) - <1kb compiler-focused virtual DOM. It's fast!
 * [Whatsup](https://github.com/whatsup/whatsup) - A frontend framework for chillout-mode development 🥤. JSX components on generators, fast mobx-like state management and exclusive cssx style system.
+* [Ziko.js](https://github.com/zakarialaoui10/ziko.js) - A versatile JavaScript library offering a rich set of UI components, advanced mathematical utilities,Reactivity,animations,client side routing and graphics capabilities.
 
 ## Node-Powered CMS Frameworks
 
@@ -773,6 +774,7 @@ There're also some great commercial libraries, like [amchart](https://www.amchar
 * [Date Range Picker](https://github.com/dangrossman/daterangepicker) - creates a dropdown menu from which a user can select a range of dates.
 * [Duet Date Picker](https://github.com/duetds/date-picker) - open source version of Duet Design System’s accessible date picker, WCAG 2.1 accessibility complaint
 * [tui.calendar](https://github.com/nhn/tui.calendar) - A JavaScript schedule calendar that is full featured. Now your service just got the customizable calendar.
+* [Schedule-X](https://github.com/schedule-x/schedule-x) - Material design event calendar. Features drag & drop, dark mode, multiple views and more.
 
 ### Select