Wiki update - Remote temperature sensing

[hestiahacker]

I don't have permission to edit the wiki, nor can I clone the wiki and submit a merge request. So I'm going to attach the markdown files here so someone with wiki write access can get them in there.

_Sidebar.md Ruuvi-temperature-sensors.md Remote-temperature-sensors.md

[gulliverrr]

Merged. Thank you and apologies for the delay @hestiahacker