store first makeFetch, with loading spinner

src/Bundle/ChillMainBundle/Resources/public/vuejs/HomepageWidget/MyCustoms.vue

@@ -1,5 +1,11 @@
 <template>
-   MyCustoms
+   <div id="dashboards" class="row g-3">
+      <div class="mbloc col col-sm-6 col-lg-4">
+         <div class="custom1">
+            Mon bloc personnalisé
+         </div>
+      </div>
+   </div>
 </template>
 
 <script>
@@ -9,5 +15,8 @@ export default {
 </script>
 
 <style scoped>
-
+div.custom1 {
+   font-style: italic;
+   color: var(--bs-chill-gray);
+}
 </style>