rbduck/minetest_etherium_stuff: this mod gives ethereal:etherium_dust a use

rbduck 4dbd8a415e initial release...		4 lat temu
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etherium_stuff_01.jpg	4dbd8a415e initial release...	4 lat temu
etherium_stuff_02.jpg	4dbd8a415e initial release...	4 lat temu