JAVA-66: New module spring-data-jpa-query

persistence-modules/spring-data-jpa-query/README.md

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+## Spring Data JPA - Query
+
+This module contains articles about querying data using Spring Data JPA 
+
+### Relevant Articles: 
+- [Query Entities by Dates and Times with Spring Data JPA](https://www.baeldung.com/spring-data-jpa-query-by-date)
+- [The Exists Query in Spring Data](https://www.baeldung.com/spring-data-exists-query)
+- [Customizing the Result of JPA Queries with Aggregation Functions](https://www.baeldung.com/jpa-queries-custom-result-with-aggregation-functions)
+- [Limiting Query Results with JPA and Spring Data JPA](https://www.baeldung.com/jpa-limit-query-results)
+- [Sorting Query Results with Spring Data](https://www.baeldung.com/spring-data-sorting)
+- [Spring Data JPA Query by Example](https://www.baeldung.com/spring-data-query-by-example)
+- [JPA Join Types](https://www.baeldung.com/jpa-join-types)
+- [Spring Data JPA and Named Entity Graphs](https://www.baeldung.com/spring-data-jpa-named-entity-graphs)
+
+### Eclipse Config 
+After importing the project into Eclipse, you may see the following error:  
+"No persistence xml file found in project"
+
+This can be ignored: 
+- Project -> Properties -> Java Persistance -> JPA -> Error/Warnings -> Select Ignore on "No persistence xml file found in project"
+Or: 
+- Eclipse -> Preferences - Validation - disable the "Build" execution of the JPA Validator