Automatically toggle showing org-cite citations as formatted overlays upon cursor entry/exit. To use, enable `org-cite-overlay-mode' in org mode buffers (for example, in `org-mode-hook'). This code is heavily inspired by org-fragtog (https://github.com/io12/org-fragtog/). This package does have a few limitations: - Detection of exit or insertion of citations is somewhat inconsistent, so every 30 user commands in the buffer, all citations will be regenerated.