collect more info about rooms

[markvdb]

• lux levels
  • To be measured with a light meter as suggested by Martijn: uni-t ut383 https://www.amazon.de/-/nl/dp/B06XVWY8CN .
• audio specific: in-room speakers? xlr input?
• projectors: coded access, 4/3 or 16/9 native res
• ...