made jquery library https

views/layout.pug

@@ -4,7 +4,7 @@ html
         meta(charset='utf-8')
         link(rel='Stylesheet' href='public/css/main.css')
         link(rel='Stylesheet' href='public/css/custom/custom.css')
-        script(src='http://code.jquery.com/jquery-2.1.4.min.js' charset='utf-8')
+        script(src='https://code.jquery.com/jquery-2.1.4.min.js' charset='utf-8')
         script(src='public/js/languages/langs.js')
         script(src='public/js/translate.js') 
         script(src='public/js/custom/languages.js')