docs: Prepare for new website launch (#2149)

* Changed database implementation. Removed static objects.

* Fix Logs

* Fix 40 errors from checkstyle plugin run. 139 left))

* Fix CacheStore errors from checkstyle plugin 107 left

* Fix last errors in checkstyle.

* Fix sonar issues

* Fix issues in VALIDATE phase

* Fix Bug with mongo connection. Used "Try with resources"

* Add test

* Added docker-compose for mongo db. MongoDb db work fixed.

* Provided missing tests

* Comments to start Application with mongo.

* Fix some broken links

* Remove extra space

* Update filename

* Fix some links in localization folders

* Fix link

* Update frontmatters

* Work on patterns index page

* Work on index page

* Fixes according PR comments. Mainly Readme edits.

* fix frontmatter

* add missing png

* Update pattern index.md

* Add index.md for Chinese translation

* update image paths

* update circuit breaker image paths

* Update image paths for localizations

* add generated puml

* Add missing image

* Update img file extensions

* Update the rest of the EN and ZH patterns to conform with the new website

Co-authored-by: Victor Zalevskii <zvictormail@gmail.com>

localization/zh/collection-pipeline/README.md

@@ -1,9 +1,6 @@
 ---
-layout: pattern
 title: Collection Pipeline
-folder: collection-pipeline
-permalink: /patterns/collection-pipeline/
-categories: Functional
+category: Functional
 language: zh
 tags:
  - Reactive
@@ -14,7 +11,7 @@ tags:
 在函数式编程中，可以通过一系列较小的模块化函数或操作来编排复杂的操作。这一系列函数被称为函数组合。当一个数据集合流经一个函数组合时，它就成为一个集合管道。函数组合和集合管道是函数式编程中经常使用的两种设计模式。
 
 ## 类图
-![alt text](../../../collection-pipeline/etc/collection-pipeline.png "Collection Pipeline")
+![alt text](etc/collection-pipeline.png "Collection Pipeline")
 
 ## 适用场景
 在以下场景适用集合管道模式：