refactor(ui): organize component source tree

packages/ui/src/components/Panel.tsx

@@ -1,19 +0,0 @@
-import type { PropsWithChildren } from "react";
-
-export interface PanelProps extends PropsWithChildren {
-  title?: string;
-  density?: "compact" | "dense";
-}
-
-export function Panel({ title, density = "dense", children }: PanelProps) {
-  return (
-    <section className="panel" data-density={density}>
-      {title ? (
-        <header className="panel__header">
-          <h2>{title}</h2>
-        </header>
-      ) : null}
-      <div className="panel__body">{children}</div>
-    </section>
-  );
-}