[Ohrrpgce] wip r13936: Add "swap by slot" alias to "swap by position" for consistency

[cron at rpg.hamsterrepublic.com]

https://github.com/ohrrpgce/ohrrpgce/commit/e88bf00a54562d3b76d9f78e13a787ad4e4803eb
Author: teeemcee <teeemcee at 7d344553-34f0-0310-a9b1-970ce8f1c3a2>
Date:   Mon Jun 30 00:18:42 2025 +0000

    Add "swap by slot" alias to "swap by position" for consistency
    

 docs/plotdict.xml | 10 ++++++++--
 plotscr.hsd       |  1 +
 whatsnew.txt      |  1 +
 3 files changed, 10 insertions(+), 2 deletions(-)