Before starting the app, the fake webserver should be started.
npm run start
On the first run, you might have to install the json-server.
npm install
In some occasions it can happen, that certain Images disapear from the placeholder page. In that case new Images can be "generated" with:
python generate.py
Recommended python version is 3.10.5! Note: Script only tested under linux, adoptions might be needed.