feat: add logout and dropdown

app/routes/logout.tsx

@@ -0,0 +1,15 @@
+import { type ActionFunctionArgs, redirect } from '@remix-run/node'
+
+import { destroySession, getSession } from '~/utils/sessions'
+
+export async function action({ request }: ActionFunctionArgs) {
+	const session = await getSession(request.headers.get('Cookie'))
+	const returnTo = new URL(request.url).pathname
+
+	return redirect(`/login?returnTo=${returnTo}`, {
+		headers: {
+			// eslint-disable-next-line @typescript-eslint/naming-convention
+			'Set-Cookie': await destroySession(session)
+		}
+	})
+}