healthcheck.pl: Plugin can integrate an healthcheck
healthcheck.pl: Plugin can integrate an healthcheck

Wiki article: https://www.loxwiki.eu/x/lwIEB

Closes #1138

mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry,mschlenstedt/Loxberry