Initial release: JMAP Webmail Client

A modern, privacy-focused webmail client built with Next.js and the JMAP protocol.
Designed for Stalwart Mail Server.

Features:
- Full email operations (compose, reply, forward, threading)
- Real-time push notifications
- Dark/light theme support
- Mobile responsive design
- Keyboard shortcuts
- Drag-and-drop organization
- i18n (English/French)
- Security-first (external content blocked, HTML sanitization)

components/error/index.ts

@@ -0,0 +1,10 @@
+export { ErrorBoundary } from "./error-boundary";
+export type { FallbackProps } from "./error-boundary";
+export {
+  PageErrorFallback,
+  SidebarErrorFallback,
+  EmailListErrorFallback,
+  EmailViewerErrorFallback,
+  ComposerErrorFallback,
+  SettingsErrorFallback,
+} from "./error-fallbacks";