Split map scripts, text, events from main.asm

The commit we deserve

maps/MahoganyPokeCenter1F.asm

@@ -0,0 +1,75 @@
+MahoganyPokeCenter1F_MapScriptHeader: ; 0x19a354
+	; trigger count
+	db 0
+
+	; callback count
+	db 0
+; 0x19a356
+
+UnknownScript_0x19a356: ; 0x19a356
+	jumpstd $0000
+; 0x19a359
+
+UnknownScript_0x19a359: ; 0x19a359
+	jumptextfaceplayer UnknownText_0x19a362
+; 0x19a35c
+
+UnknownScript_0x19a35c: ; 0x19a35c
+	jumptextfaceplayer UnknownText_0x19a3b3
+; 0x19a35f
+
+UnknownScript_0x19a35f: ; 0x19a35f
+	jumptextfaceplayer UnknownText_0x19a418
+; 0x19a362
+
+UnknownText_0x19a362: ; 0x19a362
+	db $0, "What's this? TEAM", $4f
+	db "ROCKET has come", $55
+	db "back?", $51
+	db "I saw some men in", $4f
+	db "black at LAKE OF", $55
+	db "RAGE…", $57
+; 0x19a3b3
+
+UnknownText_0x19a3b3: ; 0x19a3b3
+	db $0, "I stop my #MON", $4f
+	db "from evolving too", $55
+	db "early.", $51
+	db "I make them learn", $4f
+	db "certain moves be-", $55
+	db "fore I let them", $55
+	db "evolve.", $57
+; 0x19a418
+
+UnknownText_0x19a418: ; 0x19a418
+	db $0, "#MON do become", $4f
+	db "stronger when they", $51
+	db "evolve, but they", $4f
+	db "also learn moves", $55
+	db "more slowly.", $57
+; 0x19a46a
+
+MahoganyPokeCenter1F_MapEventHeader: ; 0x19a46a
+	; filler
+	db 0, 0
+
+	; warps
+	db 3
+	warp_def $7, $3, 4, GROUP_MAHOGANY_TOWN, MAP_MAHOGANY_TOWN
+	warp_def $7, $4, 4, GROUP_MAHOGANY_TOWN, MAP_MAHOGANY_TOWN
+	warp_def $7, $0, 1, GROUP_POKECENTER_2F, MAP_POKECENTER_2F
+
+	; xy triggers
+	db 0
+
+	; signposts
+	db 0
+
+	; people-events
+	db 4
+	person_event $37, 5, 7, $6, $0, 255, 255, $0, 0, UnknownScript_0x19a356, $ffff
+	person_event $2d, 6, 11, $2, $11, 255, 255, $80, 0, UnknownScript_0x19a359, $ffff
+	person_event $27, 7, 5, $9, $0, 255, 255, $a0, 0, UnknownScript_0x19a35c, $ffff
+	person_event $24, 7, 6, $8, $0, 255, 255, $0, 0, UnknownScript_0x19a35f, $ffff
+; 0x19a4b3
+