add analogRead to example
add analogRead to example

this adds an analogRead function to the 7segment code.

bugobliterator/BUAGI,bugobliterator/BUAGI,prpplague/Userspace-Arduino,bugobliterator/BUAGI,bugobliterator/BUAGI,bugobliterator/BUAGI,prpplague/Userspace-Arduino,prpplague/Userspace-Arduino,bugobliterator/BUAGI,prpplague/Userspace-Arduino