Added full management insights and wishlits

server/web_app/public/css/global.css

server/web_app/public/css/insights.css

server/web_app/public/css/users.css

server/web_app/public/js/insights.js

server/web_app/public/js/users.js

server/web_app/src/Controller/DashboardController.php

server/web_app/templates/dashboard.html.twig

server/web_app/templates/insights.html.twig

server/web_app/templates/usersManagement.html.twig