feat(admin): add custom admin route ranking feature (#13946)

* ✨ Add custom admin routes ranking

* 🐛 Fix sorting

* 📝 Update admin ui-routes documentation

* ✅ Add admin menu items spec

* 🔧 Add changeset

* 🐛 Remove redundant undefined initializations

* 🔥 🔥 Move the documentation to a separate PR

* ♻️ Move sorting logic to utils

* 🔧 Update changeset

---------

Co-authored-by: Bastien MONTOIS <bqst@bqst-hqckintosh.home>

packages/admin/admin-vite-plugin/src/babel.ts

@@ -11,6 +11,7 @@ import {
   isJSXElement,
   isJSXFragment,
   isMemberExpression,
+  isNumericLiteral,
   isObjectExpression,
   isObjectProperty,
   isStringLiteral,
@@ -47,6 +48,7 @@ export {
   isJSXElement,
   isJSXFragment,
   isMemberExpression,
+  isNumericLiteral,
   isObjectExpression,
   isObjectProperty,
   isStringLiteral,