initial commit

working version, partly written by Marcel
update gitignore
add min and max nuckle distance

and some other changes
check distance while delay
a test using the min value of 5 measurements

this is a desperate try to make measuring a bit more stable
try with NewPing library
add some more constants to config
somehow working workaround measuring many times
wtf version

no time for commit msgs, just saving the current verison uargsfdjhwerö