Finishes NebulaStation from TG

[dwasint]

About The Pull Request

This PR aims to finish off KikoWen0's NebulaStation from /TG/Station as I really like the looks of it

Why It's Good For The Game

Changelog

🆑 KikoWen0, Dwasint
add: New map Nebula Station
/:cl:

[LikeLakers2]

https://github.com/Monkestation/Monkestation2.0/actions/runs/9396236823/job/25879217931?pr=2156#step:7:42

 07- map json naming
_maps/NebulaStation.json

ERROR: Uppercase in a map .JSON file detected, these must be all lowercase.
 08- map json sanity

ERROR: Found an invalid file reference to _maps/map_files/nebulastation/nebulastation.dmm in _maps/_maps/NebulaStation.json 

fix the linting problems, ya nerd

[KnigTheThrasher]

Are you still interested in doing this? It's fully merged on tg for around 2 weeks.