Added code for "Intro to Spring Data REST" artice

spring-data-rest/src/main/java/com/baeldung/SpringDataRestApplication.java

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+package com.baeldung;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringDataRestApplication {
+	public static void main(String[] args) {
+		SpringApplication.run(SpringDataRestApplication.class, args);
+	}
+}

spring-data-rest/src/main/java/com/baeldung/UserRepository.java

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+package com.baeldung;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.data.repository.query.Param;
+import org.springframework.data.rest.core.annotation.RepositoryRestResource;
+
+import java.util.List;
+
+@RepositoryRestResource(collectionResourceRel = "users", path = "users")
+public interface UserRepository extends PagingAndSortingRepository<WebsiteUser, Long> {
+    List<WebsiteUser> findByName(@Param("name") String name);
+}

spring-data-rest/src/main/java/com/baeldung/WebsiteUser.java

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+package com.baeldung;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+@Entity
+public class WebsiteUser {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private long id;
+
+    private String name;
+    private String email;
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+}