Build headstone further up if radius of 5 is blocked

src/main/java/tk/alex3025/headstones/utils/Headstone.java

@@ -184,6 +184,12 @@ public class Headstone {
                 radius++;
         }
 
+        for (int y = playerY; y < 320; y++) {
+            Block block = this.location.getWorld().getBlockAt(playerX, y, playerZ);
+            if (block.getType().isEmpty())
+                return block;
+        }
+
         return null;
     }