Gives mirror maids random 1920s English/Welsh names (#96936)

## About The Pull Request
This PR adds a list of 100 1920s English/Welsh names for Maids in the
Mirror. The names have been sourced from and attributed to the United
Kingdom's Office for National Statistics. Admittedly I haven't worked
with licenses much, so please correct me if I've gotten the attribution
wrong. Example names are as follows:

"Mirror Maid Mildred"
"Mirror Maid Gertrude"
"Mirror Maid Gwendoline"

I've attempted to code this such that names only get reused after all
are randomly gone through.
## Why It's Good For The Game
It is currently difficult to distinguish between several Maids in the
Mirror, and this PR attempts to remedy that in a thematically
appropriate way.

Additionally, this PR may address issue #96587. (While this doesn't
provide mob numbers specifically, it does make their names distinct.)
## Changelog
🆑
add: Maids in the Mirror now get random 1920s English/Welsh names.
/🆑

---------

Co-authored-by: LemonInTheDark <58055496+LemonInTheDark@users.noreply.github.com>

code/modules/mob/living/basic/heretic/maid_in_the_mirror.dm

@@ -22,6 +22,11 @@
 	var/recent_examine_damage_cooldown = 10 SECONDS
 	/// A list of REFs to people who recently examined us
 	var/list/recent_examiner_refs = list()
+	/// The 1920s English/Welsh name appended to the end of the maid's title.
+	var/antiquated_name
+	/// A large list of names. One is randomly chosen upon mirror maid creation and removed
+	/// to prevent duplicates. If somehow emptied, the list is restored to its original state.
+	var/static/list/antiquated_names = GLOB.mirror_maid_names.Copy()
 
 /mob/living/basic/heretic_summon/maid_in_the_mirror/Initialize(mapload)
 	. = ..()
@@ -35,6 +40,13 @@
 	GRANT_ACTION(/datum/action/cooldown/spell/jaunt/mirror_walk)
 	ADD_TRAIT(src, TRAIT_UNHITTABLE_BY_LASERS, INNATE_TRAIT)
 
+	if(!length(antiquated_names))
+		antiquated_names = GLOB.mirror_maid_names.Copy()
+
+	antiquated_name = pick_n_take(antiquated_names)
+	name = "Mirror Maid [antiquated_name]"
+	real_name = name
+
 /mob/living/basic/heretic_summon/maid_in_the_mirror/death(gibbed)
 	var/turf/death_turf = get_turf(src)
 	death_turf.TakeTemperature(-40) // Spooky