more cleaning up

src/config/default-settings.ts

@@ -0,0 +1,17 @@
+import { colorInteractionSettings } from './color-interactions';
+import type { GardenAppConfig } from './types';
+
+export const defaultSettings: GardenAppConfig['defaultSettings'] = {
+  selectedColorIndex: 0,
+  ...colorInteractionSettings,
+
+  turnWhenLost: 0.8,
+
+  diffusionRateBrush: 0.35,
+  decayRateBrush: 18,
+  brushEffectDuration: 8,
+
+  brushCurveResolution: 12,
+
+  brushSizeVariation: 0.5,
+};