Update README.md

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Author: edizor

jaxb/README.md

@@ -5,3 +5,4 @@ This module contains articles about JAXB.
 ### Relevant Articles:
 - [Guide to JAXB](https://www.baeldung.com/jaxb)
 - [Unmarshalling Dates Using JAXB](https://www.baeldung.com/jaxb-unmarshalling-dates)
+- [JAXP vs JAXB: XML Processing APIs Compared](https://www.baeldung.com/java-jaxp-vs-jaxb)