JAVA-41259 Moved code of article java-convert-localdate-sql-date from java-jpa to java-jpa-4

Author: Bipinkumar27

persistence-modules/java-jpa-4/README.md

@@ -11,3 +11,4 @@ This module contains articles about the Java Persistence API (JPA) in Java.
 - [A Guide to Stored Procedures with JPA](https://www.baeldung.com/jpa-stored-procedures)
 - [JPA @Basic Annotation](https://www.baeldung.com/jpa-basic-annotation)
 - [Fixing the JPA error “java.lang.String cannot be cast to Ljava.lang.String;”](https://www.baeldung.com/jpa-error-java-lang-string-cannot-be-cast)
+- [Converting Between LocalDate and SQL Date](https://www.baeldung.com/java-convert-localdate-sql-date)

…jpa/convertdates/LocalDateConverter.java …jpa/convertdates/LocalDateConverter.javapersistence-modules/java-jpa/src/main/java/com/baeldung/jpa/convertdates/LocalDateConverter.java renamed to persistence-modules/java-jpa-4/src/main/java/com/baeldung/jpa/convertdates/LocalDateConverter.java persistence-modules/java-jpa/src/main/java/com/baeldung/jpa/convertdates/LocalDateConverter.java renamed to persistence-modules/java-jpa-4/src/main/java/com/baeldung/jpa/convertdates/LocalDateConverter.java

@@ -7,7 +7,6 @@ This module contains articles about the Java Persistence API (JPA) in Java.
 - [A Guide to SqlResultSetMapping](https://www.baeldung.com/jpa-sql-resultset-mapping)
 - [JPA Entity Graph](https://www.baeldung.com/jpa-entity-graph)
 - [JPA Support for java.time Types](https://www.baeldung.com/jpa-java-time)
-- [Converting Between LocalDate and SQL Date](https://www.baeldung.com/java-convert-localdate-sql-date)
 - [Composite Primary Keys in JPA](https://www.baeldung.com/jpa-composite-primary-keys)
 - [Defining JPA Entities](https://www.baeldung.com/jpa-entities)
 - [Persisting Enums in JPA](https://www.baeldung.com/jpa-persisting-enums-in-jpa)