feat(history): add undo redo stack

input/index.ts

@@ -5,6 +5,7 @@ export {
 } from "./dom";
 export type { CommandKeybind, GlobalKeybindConsumer, Keybind, KeybindEvent, KeybindMap } from "./keyboard";
 export { handleKeybind, keybindFromEvent } from "./keyboard";
+export { handleHistoryKey } from "./history";
 export { findGroup, findLayerInfoInDocument, handleDeleteSelectionKey, resolveLayerDrop } from "./layers-panel";
 export type { LayerDropTarget, LayerInfo } from "./layers-panel";
 export { handleArtboardSelection } from "./selection";