added second element type: snow

added simple snow weather

Scripts/Elements/Solid.cs

@@ -3,7 +3,7 @@
 namespace FOU.Scripts.Elements;
 
 public abstract class Solid : Element {
-    protected Solid(int x, int y, ref Level level) : base(x, y, ref level) { }
+    protected Solid(int x, int y, ref Level level) : base(x, y, level) { }
 
     protected Vector2I Check(Element source, Vector2I maxDirection) {
         if (GD.Randi() % 2 != 0)