Greytide Virus station event (#33547)

* proof of concept

* full implementation

* I commited a crime

* t

* min players increase

Resources/Prototypes/GameRules/events.yml

@@ -10,6 +10,7 @@
     - id: ClericalError
     - id: CockroachMigration
     - id: GasLeak
+    - id: GreytideVirus
     - id: IonStorm # its calm like 90% of the time smh
     - id: KudzuGrowth
     - id: MassHallucinations
@@ -540,3 +541,24 @@
     maxOccurrences: 1 # this event has diminishing returns on interesting-ness, so we cap it
     weight: 5
   - type: MobReplacementRule
+
+- type: entity
+  id: GreytideVirus
+  parent: BaseStationEventShortDelay
+  components:
+  - type: StationEvent
+    startAudio:
+      path: /Audio/Announcements/attention.ogg
+    weight: 5
+    minimumPlayers: 25
+    reoccurrenceDelay: 20
+  - type: GreytideVirusRule
+    accessGroups:
+    - Cargo
+    - Command
+    - Engineering
+    - Research
+    - Security
+    - Service
+    blacklist:
+    - External # don't space everything