Quaternius weapons, input fixes, sound & path fixes

- Added 6 Quaternius weapon models (Pistol, Revolver, Rifle, Shotgun, P90, SniperRifle)
- Created weapon resource files with balanced stats
- Wired Pistol + Rifle into player.tscn replacing Kenney blasters
- Fixed WASD input (matched input map action names)
- Fixed Escape key toggles mouse capture
- Added Audio autoload singleton
- Fixed broken sound asset paths across all scripts
- Fixed all scene ext_resource text paths (nested under assets/kenney-fps/)
- Fixed all .import source_file paths
- Deleted stale .import files (will be regenerated by editor on open)

package/dist/utils/logger.js

@@ -0,0 +1,11 @@
+// Debug mode from environment
+export const DEBUG_MODE = process.env.DEBUG === 'true';
+export function logDebug(message) {
+    if (DEBUG_MODE) {
+        console.error(`[DEBUG] ${message}`);
+    }
+}
+export function logError(message) {
+    console.error(`[SERVER] ${message}`);
+}
+//# sourceMappingURL=logger.js.map