Stop tracking runtime settings.json (gitignore it)

settings.json is written by the game at runtime in the working dir and was
accidentally added; untrack it and gitignore /settings.json and /Saves/ (the local
file is kept so the game still reads it). .vscode/settings.json is unaffected.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitignore

@@ -417,4 +417,7 @@ FodyWeavers.xsd
 
 # LittleSim
 Cache/
-
+# Рантайм-файлы (пишутся игрой в рабочем каталоге) — не версионируем
+/settings.json
+/Saves/
+

settings.json

@@ -1,10 +0,0 @@
-{
-  "Language": "ru",
-  "Fullscreen": false,
-  "VSync": true,
-  "Width": 1280,
-  "Height": 720,
-  "Volume": 1,
-  "UiScale": 1,
-  "DeveloperMode": true
-}