v1.15.0

Changes:

• Added info about possible values in repository definitions (#116)
• Add subcategory to generated documentation (#126)
• Update documentation for local development (#127)
• Add nuget_version to nuget_proxy (#143)
• Support bearerToken authentication in http client configuration for npm repositories (#149)
• Add conection options to repository manifest (#150)

Fixes:

• Fix mistake in documentation (#115)