refactor: add sample data download link for non-production environments

src/app/(dashboard)/import/page.tsx

@@ -2,6 +2,7 @@ import { Download } from "lucide-react"
 import Link from "next/link"
 
 import { Button } from "@/components/ui/button"
+import { ENVIRONMENT } from "@/lib/constants"
 import { CategoryService } from "@/services/category.service"
 
 import ImportForm from "./_components/import.form"
@@ -14,10 +15,18 @@ export default async function ImportPage() {
         <h1 className="text-2xl font-bold">Mass Import</h1>
       </div>
       <div className="flex items-center justify-end gap-4">
+        {ENVIRONMENT !== "production" && (
+          <Link href="/sample_data.csv" download>
+            <Button variant="outline">
+              <Download />
+              Sample Data
+            </Button>
+          </Link>
+        )}
         <Link href="/template.csv" download>
           <Button variant="outline">
             <Download />
-            Download Template
+            Template
           </Button>
         </Link>
       </div>