Integrate new icons

Thanks, as always, to the precious contribution to @rchiileea for the creation of the required icons!

Icon	Name
	centris-four
	dts
	easee
	echo-flex
	euro
	ikea-piskott
	ble-mesh

What's Changed

• add new icons by @elax46 in #508
  Full Changelog: 2023.10.3...2023.12.0