Change the way to load i18n (go throw cookie)

static/locales/en.json

@@ -9,5 +9,8 @@
 	"error": {
 		"you_can_find_your_way_back": "You can find your way back",
 		"here": "here"
+	},
+	"index": {
+		"dashboard": "Dashboard"
 	}
 }

static/locales/fr.json

@@ -0,0 +1,5 @@
+{
+	"index": {
+		"dashboard": "Tableau de bord"
+	}
+}