Add move effect for Coin Hurl

Thanks to Shellnuts for helping out.

Coin Hurl is now a max-150 base power move that scales with the user's wealth.

data/moves/effects.asm

@@ -2077,3 +2077,23 @@ DefenseCurl:
 	statupmessage
 	statupfailtext
 	endmove
+
+CoinHurl: ; Identical to Return, except it calculates damage differently, and does not trigger King's Rock, as contact isn't being made.
+	checkobedience
+	usedmovetext
+	doturn
+	critical
+	damagestats
+	coinhurlpower
+	damagecalc
+	stab
+	damagevariation
+	checkhit
+	moveanim
+	failuretext
+	applydamage
+	criticaltext
+	supereffectivetext
+	checkfaint
+	buildopponentrage
+	endmove

data/moves/effects_pointers.asm

@@ -158,4 +158,5 @@ MoveEffectsPointers:
 	dw BeatUp
 	dw Fly
 	dw DefenseCurl
+	dw CoinHurl
 	assert_table_length NUM_MOVE_EFFECTS

data/moves/moves.asm

@@ -276,7 +276,7 @@ Moves1:
 	move EFFECT_FREEZE_HIT,        100, ICE,         	95,  5,  30      ;MYSTIC_ICE
 	move EFFECT_FLY,                85, WATER,         85,  5,   0     ; BOUNCE - went back and forth on type (making it modern or keeping it spaceworldy), chose spaceworld to diversify the "fly" move category
 	move EFFECT_ACCURACY_UP,        85, GRASS,         	 0, 20,   0     ; BRIGHT_MOSS
-	move EFFECT_RETURN,              1, NORMAL,        100, 20,   0     ; COIN_HURL - effect not implemented
+	move EFFECT_COIN_HURL,           1, NORMAL,        100, 20,   0     ; COIN_HURL
 	move EFFECT_NORMAL_HIT,         85, GROUND,        100, 10,   0     ; UPROOT
 	move EFFECT_MIRROR_COAT,         1, PSYCHIC_TYPE,  100, 10,   0     ; SYNCHRONIZE - effect not implemented
 	move EFFECT_ATTACK_UP_HIT,      70, STEEL,         	90, 10,  10     ; STRONG_ARM