reorganize code into smaller files & dirs

packages/app/src/Components/Button/CloseButton.tsx

@@ -0,0 +1,15 @@
+import Icon from "@/Components/Icons/Icon";
+import classNames from "classnames";
+
+export default function CloseButton({ onClick, className }: { onClick?: () => void; className?: string }) {
+  return (
+    <div
+      onClick={onClick}
+      className={classNames(
+        "self-center circle flex flex-shrink-0 flex-grow-0 items-center justify-center hover:opacity-80 bg-dark p-2 cursor-pointer",
+        className,
+      )}>
+      <Icon name="close" size={12} />
+    </div>
+  );
+}