[component] Google Docs

[monikakuster]

As a Workflow Developer I want to be able to use the Google Docs connector.

Technical Details: https://developers.google.com/docs/api/reference/rest Use Google SDK for Java.

Acceptance Criteria

List of implemented actions:

• [x] create document based on template action
• [x] create document
• [x] read document

Definition of Done:

• [ ] Unit/Integration tests
• [ ] Documentation