iluwatar#463 Added javax.servlet.Filter to real world examples of intercepting filter

Author: pnowy

chain/README.md

@@ -26,7 +26,6 @@ Use Chain of Responsibility when
 
 ## Real world examples
 
-* [javax.servlet.FilterChain](https://tomcat.apache.org/tomcat-8.0-doc/servletapi/javax/servlet/FilterChain.html) and [javax.servlet.Filter](https://tomcat.apache.org/tomcat-8.0-doc/servletapi/javax/servlet/Filter.html)
 * [java.util.logging.Logger#log()](http://docs.oracle.com/javase/8/docs/api/java/util/logging/Logger.html#log%28java.util.logging.Level,%20java.lang.String%29)
 * [Apache Commons Chain](https://commons.apache.org/proper/commons-chain/index.html)
 

intercepting-filter/README.md

@@ -24,6 +24,7 @@ Use the Intercepting Filter pattern when
 
 ## Real world examples
 
+* [javax.servlet.FilterChain](https://tomcat.apache.org/tomcat-8.0-doc/servletapi/javax/servlet/FilterChain.html) and [javax.servlet.Filter](https://tomcat.apache.org/tomcat-8.0-doc/servletapi/javax/servlet/Filter.html)
 * [Struts 2 - Interceptors](https://struts.apache.org/docs/interceptors.html)
 
 ## Credits