site 1.8.1: the boot screen names the release (Pionaarr Mods 1.8.1)

make_builder_data.py writes the site version into the credit mod's RELEASE
and into the pages' and the builder's boot text on every run; new boot
screen shots.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

builder/ui.js

@@ -30,7 +30,7 @@
     { id: 'usbautoload', name: 'USB auto load', by: 'ours', state: 'experimental',
       what: 'MY SETTINGS on a stick loaded the moment the player finds them. UTILITY › USB AUTO LOAD.' },
     { id: 'credit', name: 'Boot text', by: 'ours', state: 'stable',
-      what: 'The boot screen says “Pionaarr Mods 1.0” instead of “Ver 1.31”.' }
+      what: 'The boot screen says “Pionaarr Mods 1.8.1” instead of “Ver 1.31”.' }
   ];
   var chosen = {};
   MODS.forEach(function (m) { chosen[m.id] = true; });     // every mod ticked at the start