Add: Line Decals (ss220club#305)

## About The Pull Request
Добавил в модуль декали для ЦК

## Why It's Good For The Game

![image](https://github.com/ss220club/Bandastation/assets/69762909/e232bf54-45c5-4e53-a48d-1623cf8f913f)

modular_bandastation/aesthetics/_aesthetics.dme

@@ -17,6 +17,9 @@
 // Camera
 #include "cameras/code/cameras.dm"
 
+// Decals
+#include "decals/code/floor_decals.dm"
+
 // Disposal
 #include "disposal/code/disposal.dm"
 

modular_bandastation/aesthetics/decals/code/floor_decals.dm

@@ -0,0 +1,124 @@
+/obj/effect/turf_decal/line
+	name = "line decal"
+	icon = 'modular_bandastation/aesthetics/decals/icons/floor_decals.dmi'
+	icon_state = "line_corner"
+	layer = TURF_PLATING_DECAL_LAYER
+	alpha = 110
+
+/// Automatically generates all subtypes for a decal with the given path.
+#define LINE_DECAL_SUBTYPE_HELPER(path)\
+##path/line {\
+	icon_state = "line";\
+}\
+##path/line/contrasted {\
+	icon_state = "line_contrasted";\
+}\
+##path/line/stripes {\
+	icon_state = "line_stripes";\
+}\
+##path/line/stripes/contrasted {\
+	icon_state = "line_stripes_contrasted";\
+}\
+##path/anticorner {\
+	icon_state = "line_anticorner";\
+}\
+##path/anticorner/contrasted {\
+	icon_state = "line_anticorner_contrasted";\
+}\
+##path/anticorner/stripes {\
+	icon_state = "line_anticorner_stripes";\
+}\
+##path/anticorner/stripes/contrasted {\
+	icon_state = "line_anticorner_stripes_contrasted";\
+}\
+##path/opposingcorners {\
+	icon_state = "line_opposing_corners";\
+}\
+
+/// Blue lines
+/obj/effect/turf_decal/line/blue
+	name = "blue line decal"
+	color = "#52B4E9"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/blue)
+
+/// Dark blue lines
+/obj/effect/turf_decal/line/dark_blue
+	name = "dark blue line decal"
+	color = "#486091"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/dark_blue)
+
+/// Green lines
+/obj/effect/turf_decal/line/green
+	name = "green line decal"
+	color = "#9FED58"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/green)
+
+/// Dark green lines
+/obj/effect/turf_decal/line/dark_green
+	name = "dark green line decal"
+	color = "#439C1E"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/dark_green)
+
+/// Yellow lines
+/obj/effect/turf_decal/line/yellow
+	name = "yellow line decal"
+	color = "#EFB341"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/yellow)
+
+/// Red lines
+/obj/effect/turf_decal/line/red
+	name = "red line decal"
+	color = "#DE3A3A"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/red)
+
+/// Dark red lines
+/obj/effect/turf_decal/line/dark_red
+	name = "dark red line decal"
+	color = "#B11111"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/dark_red)
+
+/// Bar lines
+/obj/effect/turf_decal/line/bar
+	name = "bar line decal"
+	color = "#791500"
+	alpha = 130
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/bar)
+
+/// Purple lines
+/obj/effect/turf_decal/line/purple
+	name = "purple line decal"
+	color = "#D381C9"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/purple)
+
+/// Brown lines
+/obj/effect/turf_decal/line/brown
+	name = "brown line decal"
+	color = "#A46106"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/brown)
+
+/// Neutral lines
+/obj/effect/turf_decal/line/neutral
+	name = "neutral line decal"
+	color = "#D4D4D4"
+	alpha = 50
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/neutral)
+
+/// Dark lines
+/obj/effect/turf_decal/line/dark
+	name = "dark line decal"
+	color = "#0e0f0f"
+
+LINE_DECAL_SUBTYPE_HELPER(/obj/effect/turf_decal/line/dark)
+
+#undef LINE_DECAL_SUBTYPE_HELPER