add the function translate.x, library (grid), format plot

plus us of the file for different holes/contexts
new file for translate.x

pour faire que les translations sur x a partir de ce code
new code when compare ctxtA vs B

avant shift
new code to separate the groups post shift
new code to compare the same hole in different contexts and change le legend in function
new code different holes from different contexts
figures generated
new file to compare groups in different contexts

and work on it
utilisation
create new file to analyze per group with x translation
work