Add 3 new Exomorph posters (#37260)

Initial commit

Resources/Prototypes/Entities/Markers/Spawners/Random/posters.yml

@@ -92,6 +92,9 @@
       - PosterContrabandInterdyne
       - PosterContrabandWaffleCorp
       - PosterContrabandMissingSpacepen
+      - PosterContrabandExoAcid
+      - PosterContrabandExoRun
+      - PosterContrabandExoChomp
     chance: 1
 
 - type: entity

Resources/Prototypes/Entities/Structures/Wallmounts/Signs/posters.yml

@@ -600,6 +600,33 @@
     - type: Sprite
       state: poster63_contraband
 
+- type: entity
+  parent: PosterBase
+  id: PosterContrabandExoAcid
+  name: "Exomorph Warning: Acid Spit!"
+  description: "This poster warns you about an exomorph's acidic spit. Not that such exomorphs are real... Right?"
+  components:
+  - type: Sprite
+    state: poster64_contraband
+
+- type: entity
+  parent: PosterBase
+  id: PosterContrabandExoRun
+  name: "Exomorph Warning: Run Away!"
+  description: "This poster warns you about an athletic exomorph capable of dragging away anyone who gets caught; so don't get caught!"
+  components:
+  - type: Sprite
+    state: poster65_contraband
+
+- type: entity
+  parent: PosterBase
+  id: PosterContrabandExoChomp
+  name: "Exomorph Warning: Dangerous Bites!"
+  description: "This poster warns you about the lethal bites exomorphs can have. Don't become an alien snack!"
+  components:
+  - type: Sprite
+    state: poster66_contraband
+
 # Legit
 - type: entity
   parent: PosterBase