fix: Export isAuthenticated from convex/auth.ts to resolve a missing export error and add jose as a new dependency.

convex/auth.ts

@@ -2,6 +2,6 @@ import { convexAuth } from "@convex-dev/auth/server";
 import { Password } from "@convex-dev/auth/providers/Password";
 import Google from "@auth/core/providers/google";
 
-export const { auth, signIn, signOut, store } = convexAuth({
+export const { auth, signIn, signOut, store, isAuthenticated } = convexAuth({
     providers: [Password, Google],
 });