Update Restya - RM SC and demo

README.md

@@ -1813,7 +1813,7 @@ _Related: [Software Development - Project Management](#software-development---pr
 - [myTinyTodo](https://www.mytinytodo.net/) - Simple way to manage your todo list in AJAX style. Uses PHP, jQuery, SQLite/MySQL. GTD compliant. ([Demo](https://www.mytinytodo.net/demo/), [Source Code](https://github.com/maxpozdeev/mytinytodo/)) `GPL-2.0` `PHP`
 - [Nullboard](https://github.com/apankrat/nullboard) - Single-page minimalist kanban board; compact, highly readable and quick to use. `BSD-2-Clause` `Javascript`
 - [Planka](https://planka.app/) - Open source Trello alternative. ([Demo](https://plankanban.github.io/planka/#/), [Source Code](https://github.com/plankanban/planka)) `MIT` `Nodejs`
-- [Restyaboard](https://restya.com/board/) - Open source Trello-like kanban board. ([Demo](https://restya.com/board/demo), [Source Code](https://github.com/RestyaPlatform/board)) `OSL-3.0` `PHP`
+- [Restyaboard](https://github.com/RestyaPlatform/board/) - Open source Trello-like kanban board. `OSL-3.0` `PHP`
 - [Task Keeper](https://github.com/nymanjens/piga) - List editor for power users, backed by a self-hosted server. `Apache-2.0` `Scala`
 - [TaskBoard](https://taskboard.matthewross.me/) - Kanban-inspired app for keeping track of things that need to get done. ([Demo](https://taskboard.matthewross.me/demo.html), [Source Code](https://github.com/kiswa/TaskBoard)) `MIT` `PHP`
 - [Taskfreak](https://www.taskfreak.com/original) - Simple but efficient web based task manager written in PHP. `GPL-3.0` `PHP`