Added RTC code sample to repo
changed sensor reads to a for-loop, changed variable names
abstracting sensor reads into a function
abstracted RTC check into a function
made ClockCheck() a boolean function and added timestamp()
modified timestamp() to return string and check for clock functionality
added VMC calculation to readSensor()
updated Todo.txt
added note indicating that Serial.prints in timestamp() are for debugging
added readTemperature()
updated Todo.txt