Redesign idea (#343)

* Redisign idea

* Code cleanup

* Fixed to right container

* Reoredered layout

* Reordering panels

* Export dialog

* Removed redunant code

* Fixed not removing temp canvas

* Fixed preview not using only selected elements

* Returned file name on export

* Toggle export selected/all elements

* Hide copy to clipboard button if no support of clipboard

* Added border to swatches

* Fixed modal flickering

src/components/Island.tsx

@@ -0,0 +1,16 @@
+import "./Island.css";
+
+import React from "react";
+
+type IslandProps = { children: React.ReactNode; padding?: number };
+
+export function Island({ children, padding }: IslandProps) {
+  return (
+    <div
+      className="Island"
+      style={{ "--padding": padding } as React.CSSProperties}
+    >
+      {children}
+    </div>
+  );
+}