Version 2.31.0 (April 1, 2025) requires updated nodejs, warning for pi0w installations

[sdetweil]

this release requires a new version of nodejs, which is NOT available on the armv6l processor systems, raspberry pi 0w

the install and upgrade scripts will abort
manual install last step will fail nodejs test, but new code will be downloaded

to reverse the code download do

git checkout -b oldbranch tags/v2.30
# npm install not required if on this prior branch

hardware upgrade required!!!