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

Move some data into a pokemon/ subdirectory

data/pokemon/base_stats/exeggcute.asm

@@ -0,0 +1,22 @@
+	db EXEGGCUTE ; 102
+
+	db  60,  40,  80,  40,  60,  45
+	;   hp  atk  def  spd  sat  sdf
+
+	db GRASS, PSYCHIC
+	db 90 ; catch rate
+	db 98 ; 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/exeggcute/front.dimensions"
+	db 0, 0, 0, 0 ; padding
+	db SLOW ; growth rate
+	dn PLANT, PLANT ; egg groups
+
+	; tmhm
+	tmhm CURSE, ROLLOUT, TOXIC, PSYCH_UP, HIDDEN_POWER, SUNNY_DAY, SNORE, PROTECT, GIGA_DRAIN, ENDURE, FRUSTRATION, SOLARBEAM, RETURN, PSYCHIC, DOUBLE_TEAM, SWAGGER, SLEEP_TALK, SLUDGE_BOMB, DREAM_EATER, REST, ATTRACT, THIEF, NIGHTMARE, STRENGTH, FLASH
+	; end