Web app - live "where to eat now" map of Berlin restaurants + owner panel

Hi, I want to build a web app for people in Berlin who are hungry and want to know where they can eat right now. Think Google Maps, but only for food, with live open/closed status and today's specials... (Budget: $10 - $30 USD, Jobs: API Development, Backend Development, Database Management, Frontend Development, Geolocation, Google Maps API, JavaScript, Python, UI / User Interface, Web Development)