Last toucan url

add https://api.toucan.cs-campus.fr/toucan/dernierToucan route to fix broken link with LinkCS

backend/routes/routesToucan.js

@@ -107,7 +107,7 @@ router.route("/delete/:id")
         });
 
 router.get('/dernierToucan', (req, res) => {
-    Toucan.find((req.query.before || req.query.after) ? {"date": optionsDate} : null)
+    Toucan.find()
         .sort({date:-1})
         .limit(1)
         .exec(function (err, toucan) {