Add subdirectories to engine/ similar to pokecrystal

engine/battle/move_effects/conversion.asm

@@ -0,0 +1,35 @@
+ConversionEffect_:
+	ld hl, wEnemyMonType1
+	ld de, wBattleMonType1
+	ld a, [H_WHOSETURN]
+	and a
+	ld a, [wEnemyBattleStatus1]
+	jr z, .conversionEffect
+	push hl
+	ld h, d
+	ld l, e
+	pop de
+	ld a, [wPlayerBattleStatus1]
+.conversionEffect
+	bit INVULNERABLE, a ; is mon immune to typical attacks (dig/fly)
+	jr nz, PrintButItFailedText
+; copy target's types to user
+	ld a, [hli]
+	ld [de], a
+	inc de
+	ld a, [hl]
+	ld [de], a
+	ld hl, PlayCurrentMoveAnimation
+	call CallBankF
+	ld hl, ConvertedTypeText
+	jp PrintText
+
+ConvertedTypeText:
+	TX_FAR _ConvertedTypeText
+	db "@"
+
+PrintButItFailedText:
+	ld hl, PrintButItFailedText_
+CallBankF:
+	ld b, BANK(PrintButItFailedText_)
+	jp Bankswitch