201
A lot of YAML
(jemmy.jeena.net)
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
A proper ide would do it but it seems most of the places I'm writing yaml, proper IDEs aren't available.
Tbf you could use the vs code addon (or extension)
or vim