Update de_web_plugin.cpp
Update de_web_plugin.cpp

ZHAVibration: Report `state.orientation` as normalised angles instead of raw values.  See #748.

dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin