Inclusão do Spring Web dentro do pom.xml
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
Criando o controlador
package br.com.ScreenMatch2;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class ScreenMatch2Application {
public static void main(String[] args) {
SpringApplication.run(ScreenMatch2Application.class, args);
}
}