Add V5 light models only

src/centres_villes.json

@@ -0,0 +1 @@
+{"Paris": [48.8566, 2.3522], "Lyon": [45.764, 4.8357], "Marseille": [43.2965, 5.3698], "Toulouse": [43.6047, 1.4442], "Bordeaux": [44.8378, -0.5792], "Nantes": [47.2184, -1.5536], "Strasbourg": [48.5734, 7.7521], "Lille": [50.6292, 3.0573], "Nice": [43.7102, 7.262], "Rennes": [48.1173, -1.6778], "Montpellier": [43.6108, 3.8767], "Grenoble": [45.1885, 5.7245]}