Homey and Kindle as Control Panel

I want to use a Kindle as a control panel. I only need it as an information tablet:
My idea was, I use my Synology NAS as a web server and create a website with the information from the devices (temperature, humidity, heating setting,…)
How do I get this information from Homey to a website?

I realise that I need to use the API, but how? I have no idea about HTML/CSS/API

You can use this dashboard for instance

Rolling your own with “no idea about HTML/CSS/API” seems like it could be a long term project.
One option that I found quite easy to get up and running is Homeydash.

Homeydash.com

It’s quite limited, but maybe it’s sufficient for your needs.