fix: update grid layout to use auto-fit for responsive design

src/components/VnTable/VnTable.vue

@@ -1154,7 +1154,7 @@ es:
 
 .grid-create {
     display: grid;
-    grid-template-columns: 1fr 1fr;
+    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
     max-width: 100%;
     grid-gap: 20px;
     margin: 0 auto;