feat: shadow sticky column

src/components/StickyRowHeaderCell.tsx

@@ -0,0 +1,17 @@
+import { Table } from '@radix-ui/themes';
+import { RowHeaderCellProps } from '@radix-ui/themes/dist/cjs/components/table';
+
+export function StickyRowHeaderCell({ style, ...props }: RowHeaderCellProps) {
+  return (
+    <Table.RowHeaderCell
+      style={{
+        position: 'sticky',
+        left: 0,
+        backgroundColor: 'var(--color-panel)',
+        boxShadow: 'var(--shadow-6)',
+        ...style,
+      }}
+      {...props}
+    />
+  );
+}