CollectionExamples.postman_collection.json => Demostration for complete postman examples with lifecycle(to the maximum)
DataDrivenTestingExample.postman_collection.json => Demostration for datadriven testing for postman collection with two datasources namely CSV and JSON.
Newman.zip => Contains reporting file generated from Newman CLI and even provided with extra reporting formats generated from HtmlExtra and Allure reports. Unzip and simply access them, you could observe them in your browser.
Allure-report.zip => Contains files required for allure reports generation. Please unzip and run the command from this location as allure serve "reportslocation"
Sample HtmlExtra report file could be accessed here.