feat: toast notifications, delete task, due date badges on cards, keyboard shortcuts

frontend/src/App.tsx

@@ -7,6 +7,7 @@ import { ProjectsPage } from "./pages/ProjectsPage";
 import { TaskPage } from "./pages/TaskPage";
 import { AdminPage } from "./components/AdminPage";
 import { LoginPage } from "./components/LoginPage";
+import { ToastProvider } from "./components/Toast";
 import { useSession } from "./lib/auth-client";
 
 function AuthenticatedApp() {
@@ -42,7 +43,11 @@ function App() {
     return <LoginPage onSuccess={() => window.location.reload()} />;
   }
 
-  return <AuthenticatedApp />;
+  return (
+    <ToastProvider>
+      <AuthenticatedApp />
+    </ToastProvider>
+  );
 }
 
 export default App;