Cleanup, document and rename `engine-sample.systems` to `engine-sample.hello-cubos`#599

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DiogoMendonc-a merged 1 commit intomainfrom 475-cleanup-document-and-rename-engine-samplesystems-to-engine-samplehello-cubos

Sep 28, 2023

+223-68

Commits on Sep 28, 2023

docs(engine): document and cleanup Hello Cubos sample
DiogoMendonc-a
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