better modalCard, integrated i18n with vuejs-i18n and drupal's strings_i18n_json_export

remain to automaticly export jsons and updated json files with webpack
and to understand how to access nested translations

web/themes/custom/materiotheme/vuejs/i18n/locales.json

@@ -0,0 +1,8 @@
+{
+  "en": {
+    "samples": "Samples"
+  },
+  "fr": {
+    "samples": "Échantillons"
+  }
+}