Art: Made all trees 40% smaller + apple tree simple 2D flat style

src/systems/LakeSystem.js

@@ -7,7 +7,7 @@
  * - Connects to river system
  */
 
-export default class LakeSystem {
+class LakeSystem {
     constructor(worldWidth, worldHeight, biomeSystem) {
         this.worldWidth = worldWidth;
         this.worldHeight = worldHeight;