* some ideas..
* Add getDefaults command (WIP) (#3444)
* add getYAML function for configs
* create getDefaults command(based on getConfig)
* add getDefaults command to CLI
* read defaults files, using github tokens as well
* write defaults to stdout as JSON object with YAMLs embedded
* catch case where no input files are given
* actually write output to file if outputFile is specified
* mark defaultsFile flag as required
* add basic tests
* add output (string) test
* adapt generateDefaults() to return output (used for test of previous commit)
* Changes to getDefaults() JSON output (#3449)
* change JSON output to contain separate fields
* filename -> filepath
* Apply suggestions from code review
* Apply suggestions from code review
* Update pkg/config/config_test.go
Co-authored-by: Jordi van Liempt <35920075+jliempt@users.noreply.github.com>
