Add subdirectories to data/ similar to pokecrystal

Top level text/ is now solely for the former text/maps/ files, and other files are in their respective subdirectories in data/.

engine/movie/credits.asm

@@ -104,7 +104,7 @@ DisplayCreditsMon:
 	ld [rBGP], a
 	ret
 
-INCLUDE "data/credit_mons.asm"
+INCLUDE "data/credits/credits_mons.asm"
 
 ScrollCreditsMonLeft:
 	ld h, b
@@ -261,9 +261,9 @@ TheEndTextString:
 	db $60," ",$62," ",$64,"  ",$64," ",$66," ",$68,"@"
 	db $61," ",$63," ",$65,"  ",$65," ",$67," ",$69,"@"
 
-INCLUDE "data/credits_order.asm"
+INCLUDE "data/credits/credits_order.asm"
 
-INCLUDE "text/credits_text.asm"
+INCLUDE "data/credits/credits_text.asm"
 
 TheEndGfx:
 	INCBIN "gfx/intro_credits/the_end.2bpp"

engine/movie/oak_speech/oak_speech2.asm

@@ -187,7 +187,7 @@ DisplayIntroNameTextBox:
 .namestring
 	db "NAME@"
 
-INCLUDE "text/player_names.asm"
+INCLUDE "data/player_names.asm"
 
 GetDefaultName:
 ; a = name index
@@ -213,7 +213,7 @@ GetDefaultName:
 	ld bc, $14
 	jp CopyData
 
-INCLUDE "text/player_names_list.asm"
+INCLUDE "data/player_names_list.asm"
 
 TextTerminator_6b20:
 	db "@"

engine/movie/title.asm

@@ -382,7 +382,7 @@ CopyrightTextString:
 	next $60,$61,$62,$61,$63,$61,$64,$7F,$73,$74,$75,$76,$77,$78,$79,$7A,$7B ; ©'95.'96.'98 GAME FREAK inc.
 	db   "@"
 
-INCLUDE "data/title_mons.asm"
+INCLUDE "data/pokemon/title_mons.asm"
 
 ; prints version text (red, blue)
 PrintGameVersionOnTitleScreen: