try to speak mangoose

backend/routes/routesToucan.js

@@ -2,7 +2,7 @@ var express = require("express");
 var fs = require("fs");
 var path = require("path");
 var { celebrate } = require("celebrate");
-
+var mongoose = require("mongoose");
 var { newToucan, validId, validGet, validTitle, validURL} = require("../utils/schema");
 var env = require("../.env");
 var isLogged = require("../utils/authentification");