* feat(utils): add utils package

* add normalization helpers for services and keys

* refactor: use utils package to normalize services and keys

* fix(import): add --normalize-keys option

* feat(delete): add --preserve-key option

enables deletion of keys that may have been written unnormalized

* docs: update README for new command flags

* docs: add import normalization example

* chore(delete): rename --preserve-key to --exact-key