Adds The Qani-Laaca Sensory Computer and mephedrone. Ready for review into merge (#23926)

* Surely this will not have any critical balance implications

* Apply suggestions from code review

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

* oops

* marm fixes

* fixes signal

* how on earth did I do that

* adds twitch to nanocalcium

* respect armor, lowers throw

* IPC can use, fuck up heartless people

* no crawl slowdown / meth

* *slightly* turns down the drug effect

* renames it will deal with pr desc soon

* finishes it

* rnd version empable

* Apply suggestions from code review

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>

* Nerfs twitches visuals, due to a reported novastation bug where the visuals would endlessly stack

* Apply suggestions from code review

Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>

* C-C-C-Changes

* Epilepsy Warning: Drug has vibrant visual effects!

* safety

* Apply suggestions from code review

Co-authored-by: DGamerL <108773801+DGamerL@users.noreply.github.com>

* removes twitch name, make mix explode

* oops

---------

Co-authored-by: Henri215 <77684085+Henri215@users.noreply.github.com>
Co-authored-by: Luc <89928798+lewcc@users.noreply.github.com>
Co-authored-by: DGamerL <108773801+DGamerL@users.noreply.github.com>

code/_onclick/hud/human_hud.dm

@@ -52,6 +52,7 @@
 /mob/living/carbon/human/create_mob_hud()
 	if(client && !hud_used)
 		hud_used = new /datum/hud/human(src, ui_style2icon(client.prefs.UI_style), client.prefs.UI_style_color, client.prefs.UI_style_alpha)
+		SEND_SIGNAL(src, COMSIG_HUMAN_CREATE_MOB_HUD)
 
 /datum/hud/human
 	var/hud_alpha = 255