Add ice variants of stalagmites and stalagtites to ice caves

As the title says if were finally getting stalagtites and mites we should have ice variants. Imagine a huge ice cavern full of icicles that fall when say a torch is placed making them melt. Or a great decorative piece for arctic homes. Or ice castles via /r/minecraftsuggestions https://ift.tt/3eJYAps