adopt scifi_nodes

mods/scifi_nodes/.gitattributes

mods/scifi_nodes/.gitignore

mods/scifi_nodes/README.md

mods/scifi_nodes/crafts.lua

mods/scifi_nodes/depends.txt

mods/scifi_nodes/doors.lua

mods/scifi_nodes/init.lua

mods/scifi_nodes/license.txt

mods/scifi_nodes/models.lua

mods/scifi_nodes/models/moreblocks_slope.obj

mods/scifi_nodes/nodeboxes.lua

mods/scifi_nodes/panes.lua

mods/scifi_nodes/screenshot.png

mods/scifi_nodes/sounds/slidingdoor.ogg

mods/scifi_nodes/textures/cityscape_wood_rot.png

mods/scifi_nodes/textures/scifi_nodes_alnslp.png

mods/scifi_nodes/textures/scifi_nodes_alnslp_top.png

mods/scifi_nodes/textures/scifi_nodes_alnslp_top2.png

mods/scifi_nodes/textures/scifi_nodes_black.png

mods/scifi_nodes/textures/scifi_nodes_black_detail.png