Reorganizes the sound folder (#86726)

## About The Pull Request

<details>

- renamed ai folder to announcer

-- announcer --
- moved vox_fem to announcer
- moved approachingTG to announcer

- separated the ambience folder into ambience and instrumental
-- ambience --

- created holy folder moved all related sounds there
- created engineering folder and moved all related sounds there
- created security folder and moved ambidet there
- created general folder and moved ambigen there
- created icemoon folder and moved all icebox-related ambience there
- created medical folder and moved all medbay-related ambi there
- created ruin folder and moves all ruins ambi there
- created beach folder and moved seag and shore there
- created lavaland folder and moved related ambi there
- created aurora_caelus folder and placed its ambi there
- created misc folder and moved the rest of the files that don't have a
specific category into it

-- instrumental --

- moved traitor folder here
- created lobby_music folder and placed our songs there (title0 not used
anywhere? - server-side modification?)

-- items --

- moved secdeath to hailer
- moved surgery to handling

-- effects --

- moved chemistry into effects
- moved hallucinations into effects
- moved health into effects
- moved magic into effects

-- vehicles --

- moved mecha into vehicles


created mobs folder

-- mobs --

- moved creatures folder into mobs
- moved voice into mobs

renamed creatures to non-humanoids
renamed voice to humanoids

-- non-humanoids--

created cyborg folder
created hiss folder
moved harmalarm.ogg to cyborg

-- humanoids --




-- misc --

moved ghostwhisper to misc
moved insane_low_laugh to misc

I give up trying to document this.

</details>

- [X] ambience
- [x] announcer
- [x] effects
- [X] instrumental
- [x] items
- [x] machines
- [x] misc 
- [X] mobs
- [X] runtime
- [X] vehicles

- [ ] attributions

## Why It's Good For The Game

This folder is so disorganized that it's vomit inducing, will make it
easier to find and add new sounds, providng a minor structure to the
sound folder.

## Changelog
🆑 grungussuss
refactor: the sound folder in the source code has been reorganized,
please report any oddities with sounds playing or not playing
server: lobby music has been repathed to sound/music/lobby_music
/🆑

code/modules/admin/verbs/server.dm

@@ -98,7 +98,7 @@ ADMIN_VERB(start_now, R_SERVER, "Start Now", "Start the round RIGHT NOW.", ADMIN
 		SSticker.start_immediately = FALSE
 		SSticker.SetTimeLeft(3 MINUTES)
 		to_chat(world, span_big(span_notice("The game will start in 3 minutes.")))
-		SEND_SOUND(world, sound('sound/ai/default/attention.ogg'))
+		SEND_SOUND(world, sound('sound/announcer/default/attention.ogg'))
 		message_admins(span_adminnotice("[key_name_admin(user)] has cancelled immediate game start. Game will start in 3 minutes."))
 		log_admin("[key_name(user)] has cancelled immediate game start.")
 		return
@@ -206,7 +206,7 @@ ADMIN_VERB(delay, R_SERVER, "Delay Pre-Game", "Delay the game start.", ADMIN_CAT
 		log_admin("[key_name(user)] delayed the round start.")
 	else
 		to_chat(world, span_infoplain(span_bold("The game will start in [DisplayTimeText(newtime)].")), confidential = TRUE)
-		SEND_SOUND(world, sound('sound/ai/default/attention.ogg'))
+		SEND_SOUND(world, sound('sound/announcer/default/attention.ogg'))
 		log_admin("[key_name(user)] set the pre-game delay to [DisplayTimeText(newtime)].")
 	BLACKBOX_LOG_ADMIN_VERB("Delay Game Start")