v0.53.9

Release notes:

- [twisty] Add `opposite-centers` stickering.
- [twisty] Ignore comments and newlines when determining simultaneous moves.
- [search] Fix target pattern parameter for `solveTwsearch(…)`.
- [puzzles] Add `baby_fto`.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cubing",
-  "version": "0.53.9-dev",
+  "version": "0.53.9",
   "description": "A collection of JavaScript cubing libraries.",
   "author": "The js.cubing.net team",
   "type": "module",