Features:
- Anchors are automatically activated after a player joins the server
- Created anchors stored in AnchorsStorage (anchors.yml in plugin folder)
- /anchorfix clean (remove non-existent anchors from AnchorStorage)
- /anchorfix remove (remove all npc created by plugin)
- NEW: /anchorfix check <player> [-i] (get a list of player anchors; -i for detailed info)