Add Dependencies

Author: byjg

README.md

@@ -190,5 +190,13 @@ Just type: `composer require "byjg/anydataset=4.1.*"`
 vendor/bin/phpunit
 ```
 
+## Dependencies
+
+```mermaid
+flowchart TD
+    AnyDataset --> Serializer
+    AnyDataset --> XMLUtil
+```
+
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 [Open source ByJG](http://opensource.byjg.com)