continuously monitor profile switch allowing user to change it while running, update todos with cleanup tasks

added time/temp spreadsheet to repo, trimmed todos

configure temp probe handling to use /opt/devtimer/temp_probe symlink

update todo

update todos

remove unneeded globals file from repo, update todos

fix leading zero suppression logic, generally tidy up temperature reporting

update todos

update todos

collapse temperature code and globals into main module, implement temp out-of-range signaling

added todo list