add service CRUD by Kafka &PostgreSQL

.gitattributes

@@ -0,0 +1,3 @@
+/gradlew text eol=lf
+*.bat text eol=crlf
+*.jar binary

.gradle/buildOutputCleanup/cache.properties

@@ -0,0 +1,2 @@
+#Wed Feb 18 12:06:26 PET 2026
+gradle.version=9.3.0

HELP.md

@@ -0,0 +1,24 @@
+# Getting Started
+
+### Reference Documentation
+For further reference, please consider the following sections:
+
+* [Official Gradle documentation](https://docs.gradle.org)
+* [Spring Boot Gradle Plugin Reference Guide](https://docs.spring.io/spring-boot/4.0.2/gradle-plugin)
+* [Create an OCI image](https://docs.spring.io/spring-boot/4.0.2/gradle-plugin/packaging-oci-image.html)
+* [Spring for Apache Kafka](https://docs.spring.io/spring-boot/4.0.2/reference/messaging/kafka.html)
+* [Spring Web](https://docs.spring.io/spring-boot/4.0.2/reference/web/servlet.html)
+* [OAuth2 Client](https://docs.spring.io/spring-boot/4.0.2/reference/web/spring-security.html#web.security.oauth2.client)
+
+### Guides
+The following guides illustrate how to use some features concretely:
+
+* [Building a RESTful Web Service](https://spring.io/guides/gs/rest-service/)
+* [Serving Web Content with Spring MVC](https://spring.io/guides/gs/serving-web-content/)
+* [Building REST services with Spring](https://spring.io/guides/tutorials/rest/)
+
+### Additional Links
+These additional references should also help you:
+
+* [Gradle Build Scans – insights for your project's build](https://scans.gradle.com#gradle)
+

build.gradle

@@ -0,0 +1,42 @@
+plugins {
+	id 'java'
+	id 'org.springframework.boot' version '3.3.5'
+	id 'io.spring.dependency-management' version '1.1.6'
+}
+
+group = 'com.yape'
+version = '0.0.1-SNAPSHOT'
+
+java {
+	toolchain {
+		languageVersion = JavaLanguageVersion.of(21)
+	}
+}
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
+	runtimeOnly 'org.postgresql:postgresql'
+
+	implementation 'org.springframework.boot:spring-boot-starter-web'
+	implementation 'org.springframework.boot:spring-boot-starter-validation'
+	implementation 'org.springframework.kafka:spring-kafka'
+	implementation 'org.springframework.boot:spring-boot-starter-actuator'
+
+	compileOnly 'org.projectlombok:lombok'
+	annotationProcessor 'org.projectlombok:lombok'
+	testCompileOnly 'org.projectlombok:lombok'
+	testAnnotationProcessor 'org.projectlombok:lombok'
+}
+
+tasks.named('test') {
+	useJUnitPlatform()
+}
+
+// Opcional: fuerza encoding consistente
+tasks.withType(JavaCompile).configureEach {
+	options.encoding = 'UTF-8'
+}