openui/open-ui: Maintain an open standard for UI and promote its adherence and adoption.

Web browsers have historically provided form and UI controls essential for interactive websites. Over the years, the demand for more advanced controls has grown, especially with the rise of Web 2.0. HTML5 addressed some needs, but current web projects require even more sophisticated and customizable interfaces. The Open UI Community Group aims to modernize HTML, CSS, JS, and Web APIs to help developers create robust, accessible, and flexible UIs. They focus on researching common patterns, planning improvements, and recommending changes to relevant standards bodies.