add .gitignore
add .gitignore

melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System,melvin-mancini/Multitasking-RealTime-Arduino-System