Resolve "Update `folder structure` failure messages"

Added logic to print to stdout if any files are not found in the project. Successful tests: - https://repo1.dsop.io/dsop/opensource/pipeline-test-project/kubectl/-/pipelines/53142 - https://repo1.dsop.io/dsop/opensource/pipeline-test-project/kubectl/-/pipelines/53140 Closes #83 (closed)