Added orderable slimeperson life support emergency crate (#14377)

Resources/Locale/en-US/prototypes/catalog/fills/crates/emergency-crates.ftl

@@ -12,3 +12,6 @@ ent-CrateEmergencyRadiation = Radiation protection crate
 
 ent-CrateEmergencyInflatablewall = Inflatable wall crate
     .desc = Three stacks of inflatable walls for when the stations metal walls don't want to hold atmosphere anymore.
+
+ent-CrateSlimepersonLifeSupport = Slimeperson life support crate
+    .desc = Contains four breath masks and four large nitrogen tanks.

Resources/Prototypes/Catalog/Cargo/cargo_emergency.yml

@@ -47,3 +47,13 @@
   cost: 500
   category: Emergency
   group: market
+
+- type: cargoProduct
+  id: EmergencyNitrogenTanks
+  icon:
+    sprite: Objects/Tanks/red.rsi
+    state: icon
+  product: CrateSlimepersonLifeSupport
+  cost: 300
+  category: Emergency
+  group: market

Resources/Prototypes/Catalog/Fills/Crates/emergency.yml

@@ -53,6 +53,19 @@
       - id: ClothingOuterSuitEmergency
         amount: 3
 
+- type: entity
+  id: CrateSlimepersonLifeSupport
+  parent: CrateInternals
+  components:
+  - type: StorageFill
+    contents:
+      - id: ClothingMaskGas
+        amount: 2
+      - id: ClothingMaskBreath
+        amount: 2
+      - id: NitrogenTankFilled
+        amount: 4
+
 - type: entity
   id: CrateEmergencyRadiation
   parent: CrateRadiation