Split items/ and trainers/ into their data/ and engine/ components

Move some data into a pokemon/ subdirectory

data/pokemon/base_stats/jumpluff.asm

@@ -0,0 +1,22 @@
+	db JUMPLUFF ; 189
+
+	db  75,  55,  70, 110,  55,  85
+	;   hp  atk  def  spd  sat  sdf
+
+	db GRASS, FLYING
+	db 45 ; catch rate
+	db 176 ; base exp
+	db NO_ITEM ; item 1
+	db NO_ITEM ; item 2
+	db GENDER_F50 ; gender
+	db 100 ; unknown
+	db 20 ; step cycles to hatch
+	db 5 ; unknown
+	INCBIN "gfx/pics/jumpluff/front.dimensions"
+	db 0, 0, 0, 0 ; padding
+	db MEDIUM_SLOW ; growth rate
+	dn FAIRY, PLANT ; egg groups
+
+	; tmhm
+	tmhm HEADBUTT, CURSE, TOXIC, HIDDEN_POWER, SUNNY_DAY, SWEET_SCENT, SNORE, HYPER_BEAM, PROTECT, GIGA_DRAIN, ENDURE, FRUSTRATION, SOLARBEAM, RETURN, DOUBLE_TEAM, SWAGGER, SLEEP_TALK, DEFENSE_CURL, REST, ATTRACT, FLASH
+	; end