Update README.md

Author: AnghelLeonard

HibernateSpringBootDtoBlazeEntityView/README.md

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+**[DTOs via Blaze-Persistence Entity Views](https://github.com/AnghelLeonard/Hibernate-SpringBoot/tree/master/HibernateSpringBootDtoBlazeEntityView)**
 
+**Description:** Fetching more data than needed is prone to performance penalities. Using DTOs allows us to extract only the needed data. In this application we rely on [Blaze-Persistence](https://persistence.blazebit.com/) entity views.
+
+**Key points:**\
+     - add in pom.xml dependencies specific to Blaze-Persistence\
+     - configure Blaze-Persistence, `CriteriaBuilderFactory` and `EntityViewManager`\
+     - write an entity view via an interface in Blaze-Persistence fashion\
+     - write a Spring-centric repository by extending `EntityViewRepository`\
+     - call method of this repository such as, `findAll()`, `findOne()`, etc\
+     - starting with Hibernate 5.2, `ResultTransformer` is deprecated, but until a replacement will be available (in Hibernate 6.0) it can be used ([read further](https://discourse.hibernate.org/t/hibernate-resulttransformer-is-deprecated-what-to-use-instead/232))\
+     - for using Spring Data Projections check this [recipe](https://github.com/AnghelLeonard/Hibernate-SpringBoot/tree/master/HibernateSpringBootDtoViaProjections)