advance on documentation

doc/screenshots/meilleure_droite.png

doc/screenshots/nuage_aleatoire.png

doc/screenshots/optimisation_tableur.png

doc/screenshots/validation_croisee.png

readme.md

src/Python/plot_groups.py

src/droite_nuage_0_1_A.vec

src/droite_nuage_0_1_B.vec

src/droite_nuage_0_2_A.vec

src/droite_nuage_0_2_B.vec

src/droite_nuage_1_2_A.vec

src/droite_nuage_1_2_B.vec

src/droite_nuage_complet_A.vec

src/droite_nuage_complet_B.vec

src/points_X.vec

src/points_Y.vec