update the chat to use the new chat, fix file uploads, mentions, and message area scaling

src/components/ui/index.ts

@@ -0,0 +1,8 @@
+export * from './Alert';
+export * from './Breadcrumb';
+export * from './Icons';
+export * from './Inputs';
+export * from './Progress';
+export * from './Question';
+export * from './QuestionInput';
+export * from './Table';