Add install files RBZ

Add install files canopy.rbz for English language and auvent.rbz for French language

add units tests

version 3:
Added Folder English
-Added 14 units tests for each matérial folder unit tests.
-I also put the menu in English(UI_auvent.rb)in the "english" folder.

version 3:
-Ajout de 14 tests unitaires pour chaque type d'élément dossier tests unitaires.
-Création d'un dossier français et english.

addition tests and corrections

version 2:
-Stool test addition – folder "test tabouret"
-Added code for the stool top with 4 rounded corners.
-Added tests to paste into the Ruby console:
V-groove on one face and on four faces folder "tests console ruby".
-V-groove and chamfer correction.

draw canopies or other assemblies in SketchUp

initial release