feat: add PlusIcon to category creation button and set readOnly for specific fields in form

app/pages/dashboard-categories/index.tsx

@@ -1,4 +1,8 @@
-import { PencilSquareIcon, TrashIcon } from '@heroicons/react/20/solid'
+import {
+  PencilSquareIcon,
+  PlusIcon,
+  TrashIcon,
+} from '@heroicons/react/20/solid'
 import DT, { type Config, type ConfigColumns } from 'datatables.net-dt'
 import DataTable, { type DataTableSlots } from 'datatables.net-react'
 import { useState } from 'react'
@@ -102,7 +106,7 @@ export const CategoriesPage = () => {
           size="lg"
           className="text-md h-[42px] px-4"
         >
-          Buat Kategori
+          <PlusIcon className="h-8 w-8" /> Buat Kategori
         </Button>
       </div>