https://github.com/iluwatar/java-design-patterns-web/issues/8 Update pattern categories and tags

collection-pipeline/README.md

@@ -3,11 +3,9 @@ layout: pattern
 title: Collection Pipeline
 folder: collection-pipeline
 permalink: /patterns/collection-pipeline/
-categories: Other
+categories: Functional
 tags:
- - Java
- - Difficulty-Beginner
- - Functional
+ - Reactive
 ---
 
 ## Intent
@@ -28,4 +26,4 @@ Use the Collection Pipeline pattern when
 
 * [Function composition and the Collection Pipeline pattern](https://www.ibm.com/developerworks/library/j-java8idioms2/index.html)
 * [Martin Fowler](https://martinfowler.com/articles/collection-pipeline/)
-* [Java8 Streams](https://docs.oracle.com/javase/8/docs/api/java/util/stream/package-summary.html)
+* [Java8 Streams](https://docs.oracle.com/javase/8/docs/api/java/util/stream/package-summary.html)