ui(components): New Dialog and Modal components for ui-next (#4772)

Co-authored-by: sedghi <ar.sedghi@gmail.com>

platform/docs/docusaurus.config.js

@@ -136,6 +136,7 @@ module.exports = {
       prism: {
         theme: require('prism-react-renderer').themes.github,
         darkTheme: require('prism-react-renderer').themes.dracula,
+        additionalLanguages: ['diff'],
       },
       algolia: {
         appId: 'EFLT6YIHHZ',