Change black empty tile to grass and make it destructable

src/core/config/GameConfig.ts

@@ -6,6 +6,8 @@ export interface AnimationConfig {
   repeat: number;
 }
 
+
+
 export const GAME_CONFIG = {
   player: {
     initialStats: { 
@@ -110,16 +112,8 @@ export const GAME_CONFIG = {
     visibleStrengthFactor: 0.65
   },
 
-  terrain: {
-    empty: 1,
-    wall: 4,
-    water: 63,
-    emptyDeco: 24,
-    wallDeco: 12,
-    exit: 8
-  },
-  
   ui: {
+  // ... rest of content ...
     minimapPanelWidth: 340,
     minimapPanelHeight: 220,
     minimapPadding: 20,