refactor(events): move grid components from event-list to event-grid directory

Signed-off-by: Noa Virellia <noa@requiem.garden>

client/cms/src/components/events/event-grid/event-grid.error.tsx

@@ -0,0 +1,16 @@
+import { FileExclamationPoint } from 'lucide-react';
+import { Empty, EmptyDescription, EmptyHeader, EmptyMedia, EmptyTitle } from '../../ui/empty';
+
+export function EventGridError() {
+  return (
+    <Empty className="h-full">
+      <EmptyHeader>
+        <EmptyMedia variant="icon">
+          <FileExclamationPoint />
+        </EmptyMedia>
+        <EmptyTitle>活动列表加载失败</EmptyTitle>
+        <EmptyDescription>前面的区域 以后再来探索吧</EmptyDescription>
+      </EmptyHeader>
+    </Empty>
+  );
+}