* add tagsuffix to take image tag suffix
* add comments to warn about specifications
* add test and error handle
* fix indent
* update comment
* fix merge errors and return updates
* update image update and fix example
* fix yamls formats
remove tabs in yamls
fix space in image name
tag error in name
* fix spacing issue
format of yaml
set example as above
* spacing of spec in testing templates
* change to switch case
* Refactor prefix filter into its own filter, decoupled from the prefixsuffix filter
* Refactor prefix transformer into its own transformer, decoupled from the prefixsuffix transformer
* Refactor suffix filter into its own filter, decoupled from the prefixsuffix filter
* Refactor suffix transformer into its own transformer, decoupled from the prefixsuffix transformer
* Add a default nameSuffix field spec in addition to the namePrefix
* Remove the PrefixSuffixTransformer from the list of builtin transformers
* Add a multi-transformer to builtinhelpers.TransformFactories
* Remove the implementation of the prefixsuffixtransformer.PrefixSuffixTransformer
* Resolve style and format related feedback from the pull request
* Add test to test the legacy PrefixSuffixTransformer for BC purposes