Use Ace editor as code editor

app/config/version.yml

...pen/CoreBundle/Admin/ConfigurationMapElementFormAdmin.php

src/Biopen/CoreBundle/Admin/ConfigurationStyleAdmin.php

...admin/core_custom/custom-fields/ace-code-editor.html.twig

...urces/views/admin/core_custom/form_admin_fields.html.twig

...s/views/admin/partials/show_element_form_fields.html.twig

web/assets/js/ace/ace.js

web/assets/js/ace/mode-css.js

web/assets/js/ace/mode-javascript.js

web/assets/js/ace/mode-markdown.js

web/assets/js/ace/mode-twig.js

web/assets/js/ace/theme-monokai.js