[add] Add blackbox_diff script
[add] Add blackbox_diff script

mavenlink/blackbox,wiredmax/blackbox,Gnouc/blackbox,unixorn/blackbox,sublimino/blackbox,jasonchaffee/blackbox,quarkslab/blackbox,unixorn/blackbox,serialdoom/blackbox,ConnorAtherton/blackbox,StackExchange/blackbox,StackExchange/blackbox