Nebulastation (#2585)

## About The Pull Request

Adds a completely brand new multi-z station map "NebulaStation".
New areas and few exclusive map shuttles (ferry, mining, arrival, evac,
cargo)

<details>
<summary>Screenshots/Videos</summary>


![image](https://github.com/user-attachments/assets/eba8e315-6b04-41fe-aada-e72e20549776)


![image](https://github.com/user-attachments/assets/a61ecd22-2342-4ff1-bec0-81c378c3384b)

</details>

## Changelog

🆑 LT3, tgstation
add: NebulaStation: a nice, new station map
/🆑

---------

Co-authored-by: Kiko Wen <143291881+KikoWen0@users.noreply.github.com>
Co-authored-by: Vekter <TheVekter@users.noreply.github.com>
Co-authored-by: Roxy <75404941+TealSeer@users.noreply.github.com>

code/modules/mining/laborcamp/laborshuttle.dm

@@ -37,3 +37,6 @@
 
 /obj/docking_port/stationary/laborcamp_home/kilo
 	roundstart_template = /datum/map_template/shuttle/labour/kilo
+
+/obj/docking_port/stationary/laborcamp_home/nebula
+	roundstart_template = /datum/map_template/shuttle/labour/nebula

code/modules/mining/mine_items.dm

@@ -139,6 +139,10 @@
 	roundstart_template = /datum/map_template/shuttle/mining/northstar
 	height = 6
 
+/obj/docking_port/stationary/mining_home/nebula
+	roundstart_template = /datum/map_template/shuttle/mining/nebula
+	height = 10
+
 /obj/docking_port/stationary/mining_home/common
 	name = "SS13: Common Mining Dock"
 	shuttle_id = "commonmining_home"