feat: add password reset flow

- Add /forgot-password and /reset-password routes (Dutch UI)
- Wire sendResetPassword into emailAndPassword config (not a plugin)
- Send styled HTML email via nodemailer with 1-hour expiry
- Add 'Wachtwoord vergeten?' link on login page
- Update routeTree.gen.ts with new routes

apps/web/src/lib/auth-client.ts

@@ -1,3 +1,3 @@
 import { createAuthClient } from "better-auth/react";
 
-export const authClient = createAuthClient({});
+export const authClient = createAuthClient();