Initial scaffold: Godot 4.3 scenes, systems, and placeholders.

Wire all twelve levels with billboard prefabs, autoload systems (inventory, achievements, mock shop, DE/EN/BY), and satire audio locks so the Title→End flow is playable with placeholder assets.

.gitignore

@@ -0,0 +1,29 @@
+# Godot 4
+.godot/
+.import/
+export.cfg
+export_presets.cfg
+*.translation
+
+# Build / OS
+*.apk
+*.aab
+*.ipa
+*.app
+*.dmg
+*.exe
+*.x86_64
+*.x86
+*.arm64
+*.arm32
+*.wasm
+*.pck
+.DS_Store
+Thumbs.db
+*~
+
+# Editor / agent
+.cursor/
+*.swp
+*.tmp
+/tmp/