Adds Mushman Babies and Diona Nymphs as possibilities to the infestation random event (#25917)

* nymphtide worldwide

* pinhead

__DEFINES/setup.dm

@@ -729,6 +729,8 @@ SEE_PIXELS	256
 #define VERM_SYPHONER 11
 #define VERM_GREMTIDE 12
 #define VERM_CRABS 13
+#define VERM_DIONA 14
+#define VERM_MUSHMEN 15
 
 
 #define MONSTER_BEAR    0

code/modules/admin/topic.dm

@@ -4090,6 +4090,8 @@
 					"syphoners" = VERM_SYPHONER,
 					"greytide gremlins" = VERM_GREMTIDE,
 					"crabs" = VERM_CRABS,
+					"diona nymphs" = VERM_DIONA,
+					"mushman pinheads" = VERM_MUSHMEN
 					)
 				var/ov = vermins[input("What vermin should infest the station?", "Vermin Infestation") in vermins]
 				var/ol = locations[input("Where should they spawn?", "Vermin Infestation") in locations]

code/modules/events/infestation.dm

@@ -50,7 +50,7 @@
 	var/max_number = 4
 
 	vermin = pick(VERM_MICE, VERM_LIZARDS, VERM_SPIDERS, VERM_SLIMES, VERM_BATS, VERM_BORERS, VERM_MIMICS, VERM_ROACHES, VERM_GREMLINS, VERM_BEES, VERM_HORNETS,
-	VERM_SYPHONER, VERM_GREMTIDE, VERM_CRABS)
+	VERM_SYPHONER, VERM_GREMTIDE, VERM_CRABS, VERM_DIONA, VERM_MUSHMEN)
 
 	if (override_vermin)
 		vermin = override_vermin
@@ -109,6 +109,13 @@
 			spawn_types = list(/mob/living/simple_animal/crab, /mob/living/simple_animal/crab/kickstool, /mob/living/simple_animal/crab/snowy)
 			vermstring = "crabs"
 			max_number = 5
+		if(VERM_DIONA)
+			spawn_types = /mob/living/carbon/monkey/diona
+			vermstring = "diona nymphs"
+		if(VERM_MUSHMEN)
+			spawn_types = /mob/living/carbon/monkey/mushroom
+			vermstring = "mushroom pinheads"
+
 
 	var/number = rand(2, max_number)