add lily pad to instamine blocks list

src/tools.c

@@ -611,7 +611,8 @@ uint8_t isInstantlyMined (PlayerData *player, uint8_t block) {
   return (
     block == B_dead_bush ||
     block == B_short_grass ||
-    block == B_torch
+    block == B_torch ||
+    block == B_lily_pad
   );
 
 }