Repository reorganisation

Unified kotlin and java into just src/main
Unified the rs09 and core packages
Took all content out of the core package, and placed it into the new content package
Reorganised all source code relating to content to be easier to find and explore

Server/src/main/content/global/skill/summoning/familiar/SpiritPengatriceNPC.java

@@ -0,0 +1,42 @@
+package content.global.skill.summoning.familiar;
+
+import core.game.node.entity.player.Player;
+
+/**
+ * Represents the Spirit Pengatrice familiar.
+ * @author Aero
+ */
+public class SpiritPengatriceNPC extends Familiar {
+
+	/**
+	 * Constructs a new {@code SpiritPengatriceNPC} {@code Object}.
+	 */
+	public SpiritPengatriceNPC() {
+		this(null, 6883);
+	}
+
+	/**
+	 * Constructs a new {@code SpiritPengatriceNPC} {@code Object}.
+	 * @param owner The owner.
+	 * @param id The id.
+	 */
+	public SpiritPengatriceNPC(Player owner, int id) {
+		super(owner, id, 3600, 12103, 3);
+	}
+
+	@Override
+	public Familiar construct(Player owner, int id) {
+		return new SpiritPengatriceNPC(owner, id);
+	}
+
+	@Override
+	protected boolean specialMove(FamiliarSpecial special) {
+		return false;
+	}
+
+	@Override
+	public int[] getIds() {
+		return new int[] { 6883, 6884 };
+	}
+
+}