Good practices customisation

General Recommendation :

When you modify a file in a folder (e.g _sideboardoccurence.gsp on view/occurence/show.gsp), and you want to move it to another folder (e.g app), you have to move all the other page of the origin folder (e.g all the other file of the show.gsp folder)

@Todo : Recommendations to add

@Todo : tips to add