feat(extension): complete VS Code extension with kanban board interface (#997)

---------
Co-authored-by: DavidMaliglowka <13022280+DavidMaliglowka@users.noreply.github.com>
Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

apps/extension/src/webview/components/ToastContainer.tsx

@@ -0,0 +1,31 @@
+/**
+ * Toast Container Component
+ */
+
+import React from 'react';
+import { ToastNotification } from './ToastNotification';
+import type { ToastNotification as ToastType } from '../types';
+
+interface ToastContainerProps {
+	notifications: ToastType[];
+	onDismiss: (id: string) => void;
+}
+
+export const ToastContainer: React.FC<ToastContainerProps> = ({
+	notifications,
+	onDismiss
+}) => {
+	return (
+		<div className="fixed top-4 right-4 z-50 pointer-events-none">
+			<div className="flex flex-col items-end pointer-events-auto">
+				{notifications.map((notification) => (
+					<ToastNotification
+						key={notification.id}
+						notification={notification}
+						onDismiss={onDismiss}
+					/>
+				))}
+			</div>
+		</div>
+	);
+};