N°3523 Add accessibility to silo selection and user menu toggler

package.json

@@ -1,5 +1,6 @@
 {
   "dependencies": {
+    "@fontsource/raleway": "^4.5.0",
     "@popperjs/core": "^2.4.4",
     "bulma-scss": "^0.9.0-1",
     "datatables.net": "^1.10.12",
@@ -7,8 +8,8 @@
     "datatables.net-responsive": "^2.1.0",
     "datatables.net-scroller": "^1.4.2",
     "datatables.net-select": "^1.2.0",
-    "@fontsource/raleway": "^4.5.0",
     "scrollmagic": "^2.0.8",
+    "selectize-plugin-a11y": "^1.1.0",
     "tippy.js": "^6.2.5"
   }
 }