feat: major UI overhaul with new components and enhanced UX

- Add comprehensive Company Wiki feature with complete state management
  - CompanyWikiManager, empty states, invite modals
- Implement new Chat system with enhanced layout and components
  - ChatLayout, ChatSidebar, MessageThread, FileUploadInput
- Create modern Login and OTP verification flows
  - LoginNew page, OTPVerification component
- Add new Employee Forms system with enhanced controller
- Introduce Figma-based design components and multiple choice inputs
- Add new font assets (NeueMontreal) and robot images for onboarding
- Enhance existing components with improved styling and functionality
- Update build configuration and dependencies
- Remove deprecated ModernLogin component

components/chat/index.ts

@@ -0,0 +1,5 @@
+export { default as ChatSidebar } from './ChatSidebar';
+export { default as ChatLayout } from './ChatLayout';
+export { default as ChatEmptyState } from './ChatEmptyState';
+export { default as MessageThread } from './MessageThread';
+export { default as FileUploadInput } from './FileUploadInput';