N60 configure yaml for ESPhome

[chuyskywalker]

The top post here should link to this with an advisory note about which yaml version to use:

https://www.kincony.com/forum/showthread.php?tid=9157

I was very confused when the kWh values on my N60 were coming back in the billions (which is what happens if you interpret the floating point value as a DWORD or whatever).