ajout de resssources

doc/Spécifications.docx

resources/Cases terrain/Thumbs.db

resources/Cases terrain/eau.png

resources/Cases terrain/foret1.png

resources/Cases terrain/foret2.png

resources/Cases terrain/montagnes-neige.png

resources/Cases terrain/montagnes-nuages.png

resources/Cases terrain/montagnes1.png

resources/Cases terrain/montagnes2.png

resources/Cases terrain/normal1.png

resources/Cases terrain/normal2.png