add cpu utilization and physical memory on the machine
V1.6.0 (#70)
* 1.hidden schedule usage default;2.format by erlformat;3.add ps -o pcpu,pmem information
* bump to 1.6.0
* update clean/1 spec
* replace recon_alloc:memory/1 stat by active_task/context_switch/port_parallelism
* update system default interval from 1500 to 2000 (cost too many cpu)
* show Gc Words Reclaimed IO GC Total/Increments in Home view
* unuse ++
* adjust code style
* add github action
* update workflows path
* update workflows
* update document