Not compatible with OpenAPI 3

[Tridie2000]

The current version of swagger-jsdoc-generator is not compatible with OpenAPI 3. This field "openapi": "3.0.0" is present in the swagger definition but ignored by swagger-jsdoc. It also adds "swagger": "2.0" to the definition by default and results in this error in the browser when trying to view the docs:

Unable to render this definition
swagger and openapi fields cannot be present in the same Swagger or OpenAPI definition. Please remove one of the fields.
Supported version fields are swagger: "2.0" and those that match openapi: 3.0.n (for example, openapi: 3.0.0).

This issue is caused by an outdated swagger-jsdoc dependency. By updating the swagger-jsdoc dependency this issue should be resolved. See pull request #5