We need a replacement for the now defunct smartphone app NB Stredisko. The new NB Stredisko app will be a PWA application.
The app allows cross-country ski administrators (in Slovakia) to collect and submit information about the state of snow and machine groomed trails in their ski centers. The information will be sent to the nabezky.sk server, optionally to Facebook as well.
A high-level spec is here:
https://docs.google.com/document/d/1_kh15MfVdDCWJWTk2G0-v1Xq6j2sj5yiI4-OpRMXud0/edit?usp=sharing
I need a rough estimate for the job.