Nodefusion Portal - update to v8.3.4.0 (microsoft#3551)

* Create Readme.md

* Nodefusion Portal certified connector added

* action route updated

* updated according to the PR comments

* x-ms-summary back in the code

* security property removal revert

* Nodefusion Portal b2c authUrl and actions updated (#1)

* Update apiProperties.json

b2c auth parameters updated

* Additional action added

Get Work Services

* Readme updated

* Update apiDefinition.swagger.json

Added x-ms-summary and description properties

* update Nodefusion Portal connector to version 8.3.4

* downgraded swagger document version from 3.0 to 2.0

* updated title property to pass paconn validation

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Co-authored-by: Hrvoje Kusulja <hkusulja@kusulja.com>
Co-authored-by: mmustapic <mmustapic@3pro.eu>
Co-authored-by: dominicusmento <mario.mustapic13@gmail.com>
Co-authored-by: Jure Fadiga <jfadiga@nodefusion.com>

Author: 5 people