feat(appui): add dees-appui-bottombar component with config, programmatic API, demo and docs

ts_web/elements/00group-appui/index.ts

@@ -1,6 +1,7 @@
 // App UI Components
 export * from './dees-appui-activitylog/index.js';
 export * from './dees-appui-appbar/index.js';
+export * from './dees-appui-bottombar/index.js';
 export * from './dees-appui/index.js';
 export * from './dees-appui-maincontent/index.js';
 export * from './dees-appui-mainmenu/index.js';