The HUDening™️ (SS13 HUD themes, Classic as default, and more) (#22287)

* updates the classic ui theme, ports some ss13 ui themes

* adds retro theme

* the rest of it. probably

* web pockets for retro

* begrudgingly bring back modernized

Resources/Locale/en-US/escape-menu/ui/options-menu.ftl

@@ -50,8 +50,12 @@ ui-options-scale-175 = 175%
 ui-options-scale-200 = 200%
 ui-options-hud-theme = HUD Theme:
 ui-options-hud-theme-default = Default
-ui-options-hud-theme-modernized = Modernized
-ui-options-hud-theme-classic = Classic
+ui-options-hud-theme-plasmafire = Plasmafire
+ui-options-hud-theme-slimecore = Slimecore
+ui-options-hud-theme-clockwork = Clockwork
+ui-options-hud-theme-retro = Retro
+ui-options-hud-theme-minimalist = Minimalist
+ui-options-hud-theme-eris = Eris
 ui-options-vp-stretch = Stretch viewport to fit game window
 ui-options-vp-scale = Fixed viewport scale: x{ $scale }
 ui-options-vp-integer-scaling = Prefer integer scaling (might cause black bars/clipping)