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/slayer/BasiliskNPC.java

@@ -0,0 +1,53 @@
+package content.global.skill.slayer;
+
+import core.game.node.entity.combat.BattleState;
+import core.game.node.entity.combat.CombatSwingHandler;
+import core.game.node.entity.npc.AbstractNPC;
+import core.game.world.map.Location;
+import core.plugin.Initializable;
+
+/**
+ * Handles the basilisk npc.
+ * @author Vexia
+ */
+@Initializable
+public final class BasiliskNPC extends AbstractNPC {
+
+	/**
+	 * Constructs a new {@code BasiliskNPC} {@code Object}.
+	 */
+	public BasiliskNPC() {
+		super(0, null);
+	}
+
+	/**
+	 * Constructs a new {@code BasiliskNPC} {@code Object}.
+	 * @param id the id.
+	 * @param location the location.
+	 */
+	public BasiliskNPC(int id, Location location) {
+		super(id, location);
+	}
+
+	@Override
+	public AbstractNPC construct(int id, Location location, Object... objects) {
+		return new BasiliskNPC(id, location);
+	}
+
+	@Override
+	public CombatSwingHandler getSwingHandler(boolean swing) {
+		return MirrorShieldHandler.SINGLETON;
+	}
+
+	@Override
+	public void checkImpact(BattleState state) {
+		super.checkImpact(state);
+		MirrorShieldHandler.SINGLETON.checkImpact(state);
+	}
+
+	@Override
+	public int[] getIds() {
+		return new int[] { 1616, 1617 };
+	}
+
+}