feat: implement asignaturas management with dynamic routing and UI updates

src/routes/_authenticated/asignaturas.tsx

@@ -1,9 +0,0 @@
-import { createFileRoute } from '@tanstack/react-router'
-
-export const Route = createFileRoute('/_authenticated/asignaturas')({
-  component: RouteComponent,
-})
-
-function RouteComponent() {
-  return <div>Hello "/_authenticated/asignaturas"!</div>
-}