feat(umkm): implement full CRUD for product categories

- added CRUD endpoints for KategoriProduk in Elysia API
- updated umkmState with category management logic
- added 'Kategori Produk' tab in admin dashboard
- created list, create, and edit pages for category management
- bumped version to 0.1.32

package.json

@@ -1,6 +1,6 @@
 {
   "name": "desa-darmasaba",
-  "version": "0.1.31",
+  "version": "0.1.32",
   "private": true,
   "scripts": {
     "dev": "next dev",