Add packages to plugins

game/plugin/api/src/definitions.kt

@@ -0,0 +1,19 @@
+package org.apollo.game.plugin.api
+
+import org.apollo.cache.def.ItemDefinition
+import org.apollo.cache.def.NpcDefinition
+import org.apollo.cache.def.ObjectDefinition
+
+object Definitions {
+    fun item(id: Int): ItemDefinition? {
+        return ItemDefinition.lookup(id)
+    }
+
+    fun obj(id: Int): ObjectDefinition? {
+        return ObjectDefinition.lookup(id)
+    }
+
+    fun npc(id: Int): NpcDefinition? {
+        return NpcDefinition.lookup(id)
+    }
+}