add loose release type support

[aotarola]

What is this?

Have nlm verify to check the current branch commits against master, hence the loose option in nlm config:

"nlm" : {
  "releaseType": "loose"
}

Why?

Some teams merges PR without auto publish on merge. This causes a level of confusion when opening a PR with an expected semver-patch semver versioning, but instead it is marked as semver-minor or even as semver-breaking changes by verify, because all the unpublished commits from the current version are included in the next semver calculation.

TODO:

• [ ] Ensure all the commits are considered for the final publishing

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This PR was started by: git wf pr