Og mailsw1 (#61)

* Delete objects/Vehicle/Train/GOODS3/.gitkeep

* Add files via upload

Upload GOODSN1.dat and .blend file

* Delete objects/Vehicle/Train/GOODSN1/.gitkeep

* Add files via upload

Add OG_MAILSW1.dat and blend file

* Delete objects/Vehicle/Train/MAILSW1/.gitkeep

* Add files via upload

Added preview image

* fix name, undo goodsn1

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Co-authored-by: Benjamin Sutas <benjamin.sutas@gmail.com>

Author: glenjimen