TMDB API key required

TMDB request failed (400): /discover/tv?sort_by=popularity.desc&page=581&with_runtime.lte=90&first_air_date.gte=1990-01-01&first_air_date.lte=1999-12-31

1. 1. Create a key at themoviedb.org/settings/api
2. 2. Copy .env.example to .env.local
3. 3. Set TMDB_API_KEY=your_key
4. 4. Restart the dev server