chore: update README.md

README.md

@@ -24,6 +24,9 @@ Visit the [life demo](sirpixiejerry.github.io/dop-eye/) to try it yourself.
 - [x] change element color
 - [x] rewind to original color
 - [x] scroll steps
-- [ ] improve scroll steps feature and cleanup event listeners
-- [ ] add user menu
+- [x] add pause button
+- [x] add undo button
+- [x] add redo button
+- [x] add info button
+- [ ] add save button
 - [ ] optimization for mobile devices