* Use a config struct when scanning and engine source.
* fix tests.
* Move test_helpers to the sources pkg.
* Handle ScanGit error in tests.
* adderss comments.
* Use functional options.
* Remove temp var.
* Add better var names for the setup functions for each config.
* Remove unused var.
* fix error logs.
* fix error logs.
* single line.
* remove blank lines.
* Add unit tests and refactor some logic
* Move integration tests to a separate file behind a build flag
* Fix bugs in normalizeRepos
* Address lint errors
* Sort slices before comparing because order doesn't matter