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

Move some data into a pokemon/ subdirectory

data/pokemon/base_stats/misdreavus.asm

@@ -0,0 +1,22 @@
+	db MISDREAVUS ; 200
+
+	db  60,  60,  60,  85,  85,  85
+	;   hp  atk  def  spd  sat  sdf
+
+	db GHOST, GHOST
+	db 45 ; catch rate
+	db 147 ; base exp
+	db NO_ITEM ; item 1
+	db SPELL_TAG ; item 2
+	db GENDER_F50 ; gender
+	db 100 ; unknown
+	db 25 ; step cycles to hatch
+	db 5 ; unknown
+	INCBIN "gfx/pics/misdreavus/front.dimensions"
+	db 0, 0, 0, 0 ; padding
+	db FAST ; growth rate
+	dn AMORPHOUS, AMORPHOUS ; egg groups
+
+	; tmhm
+	tmhm HEADBUTT, CURSE, TOXIC, ZAP_CANNON, PSYCH_UP, HIDDEN_POWER, SUNNY_DAY, SNORE, PROTECT, RAIN_DANCE, ENDURE, FRUSTRATION, THUNDER, RETURN, PSYCHIC, SHADOW_BALL, DOUBLE_TEAM, SWAGGER, SLEEP_TALK, SWIFT, DEFENSE_CURL, DREAM_EATER, REST, ATTRACT, THIEF, NIGHTMARE, FLASH, THUNDERBOLT
+	; end