added chain of responsibility sample

chain/src/main/java/com/iluwatar/OrcKing.java

@@ -0,0 +1,19 @@
+package com.iluwatar;
+
+public class OrcKing {
+
+	RequestHandler chain;
+	
+	public OrcKing() {
+		buildChain();
+	}
+	
+	private void buildChain() {
+		chain = new OrcCommander(new OrcOfficer(new OrcSoldier(null)));
+	}
+	
+	public void makeRequest(Request req) {
+		chain.handleRequest(req);
+	}
+	
+}