BETA/STABLE: Added displayId in Custom Mana Potion skills to show small potion...

BETA/STABLE: Added displayId in Custom Mana Potion skills to show small potion animation, also moved these skills to skill/custom/ dir.

L2J_DataPack_BETA/dist/game/data/stats/skills/10000-10099.xml → L2J_DataPack_BETA/dist/game/data/stats/skills/custom/10000-10099.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <list>
 	<skill id="10000" levels="1" name="Custom Mana Drug">
+		<set name="displayId" val="2288" />
 		<set name="itemConsumeId" val="726" />
 		<set name="itemConsumeCount" val="1" />
 		<set name="buffDuration" val="15000" />
@@ -14,6 +15,7 @@
 		</for>
 	</skill>
 	<skill id="10001" levels="1" name="Custom Mana Potion">
+		<set name="displayId" val="2288" />
 		<set name="itemConsumeId" val="728" />
 		<set name="itemConsumeCount" val="1" />
 		<set name="isPotion" val="true" />