build of sample using intellij fails - java: package io.github.sivalabs.localstack does not exist

[datasmithadvtech]

/Users/larry/samples-test/localstack-spring-boot-starter/examples/localstack-spring-boot-sample/src/main/java/com/sivalabs/demo/config/AppConfig.java:3:37
java: package io.github.sivalabs.localstack does not exist

same error using Netbeans
Failed to execute goal on project localstack-spring-boot-sample: Could not resolve dependencies for project com.sivalabs:localstack-spring-boot-sample:jar:1.0-SNAPSHOT: Could not find artifact io.github.sivalabs:localstack-spring-boot-starter:jar:1.0.0-SNAPSHOT -> [Help 1]