[BAEL-16662] Move articles out of spring-core and into spring-di and … (#7750)

* [BAEL-16662] Move articles out of spring-core and into spring-di and spring-core-2

* [BAEL-16662] Fixed required config classes

* [BAEL-16662] - Removed unused dependencies from spring-core

spring-di/src/main/java/com/baeldung/constructordi/Config.java

@@ -0,0 +1,23 @@
+package com.baeldung.constructordi;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+import com.baeldung.constructordi.domain.Engine;
+import com.baeldung.constructordi.domain.Transmission;
+
+@Configuration
+@ComponentScan("com.baeldung.constructordi")
+public class Config {
+
+    @Bean
+    public Engine engine() {
+        return new Engine("v8", 5);
+    }
+
+    @Bean
+    public Transmission transmission() {
+        return new Transmission("sliding");
+    }
+}