Rename project to sacredK

sacred_re.dll/.exe/.ini/.log/_crash files are now sacredK.*; inventory saves
with the old "sacred_re.inventory" format id still load.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

src/mods/hud.cpp

@@ -16,7 +16,7 @@
 //     inside both.
 // The world never sees these offsets: they are only active inside the hooks.
 //
-// sacred_re.ini:
+// sacredK.ini:
 //   [hud]
 //   Enabled=1