⚡ (editor) Add Ctrl + z shortcut to undo changes in editor (#255)

Closes #217

apps/builder/src/hooks/useUndoShortcut.ts

@@ -0,0 +1,18 @@
+import { useEventListener } from '@chakra-ui/react'
+
+export const useUndoShortcut = (undo: () => void) => {
+  const isUndoShortcut = (event: KeyboardEvent) =>
+    (event.metaKey || event.ctrlKey) && event.key === 'z'
+
+  useEventListener('keydown', (event: KeyboardEvent) => {
+    const target = event.target as HTMLElement | null
+    const isTyping =
+      target?.role === 'textbox' ||
+      target instanceof HTMLTextAreaElement ||
+      target instanceof HTMLInputElement
+    if (isTyping) return
+    if (isUndoShortcut(event)) {
+      undo()
+    }
+  })
+}