feat(sentry): integrate Sentry SDK with Next.js and configure DSN

- Added Sentry client, server, and edge configurations for enhanced error monitoring.
- Updated `.env.example` and `docker-compose` to include `NEXT_PUBLIC_SENTRY_DSN`.
- Modified `next.config.ts` to use `withSentryConfig` for source map uploads.
- Installed `@sentry/nextjs` as a dependency and updated `pnpm-lock.yaml`.

docker-compose.yml

@@ -122,6 +122,7 @@ services:
     environment:
       NODE_ENV: production
       NEXT_PUBLIC_API_URL: ${NEXT_PUBLIC_API_URL:-http://localhost:3000}
+      NEXT_PUBLIC_SENTRY_DSN: ${NEXT_PUBLIC_SENTRY_DSN}
     depends_on:
       - backend