Separate Mart constants from item data constants

constants/mart_constants.asm

@@ -0,0 +1,44 @@
+; mart types (see engine/items/mart.asm)
+	const_def
+	const MARTTYPE_STANDARD
+	const MARTTYPE_BITTER
+	const MARTTYPE_BARGAIN
+	const MARTTYPE_PHARMACY
+	const MARTTYPE_ROOFTOP
+
+; Marts indexes (see data/items/marts.asm)
+	const_def
+	const MART_CHERRYGROVE
+	const MART_CHERRYGROVE_DEX
+	const MART_VIOLET
+	const MART_AZALEA
+	const MART_CIANWOOD
+	const MART_GOLDENROD_2F_1
+	const MART_GOLDENROD_2F_2
+	const MART_GOLDENROD_3F
+	const MART_GOLDENROD_4F
+	const MART_GOLDENROD_5F_1
+	const MART_GOLDENROD_5F_2
+	const MART_GOLDENROD_5F_3
+	const MART_GOLDENROD_5F_4
+	const MART_OLIVINE
+	const MART_ECRUTEAK
+	const MART_MAHOGANY_1
+	const MART_MAHOGANY_2
+	const MART_BLACKTHORN
+	const MART_VIRIDIAN
+	const MART_PEWTER
+	const MART_CERULEAN
+	const MART_LAVENDER
+	const MART_VERMILION
+	const MART_CELADON_2F_1
+	const MART_CELADON_2F_2
+	const MART_CELADON_3F
+	const MART_CELADON_4F
+	const MART_CELADON_5F_1
+	const MART_CELADON_5F_2
+	const MART_FUCHSIA
+	const MART_SAFFRON
+	const MART_MT_MOON
+	const MART_INDIGO_PLATEAU
+	const MART_UNDERGROUND