[component] Encryption Helper

[monikakuster]

As a Workflow Developer I want to be able to use the native Encryption Helper connector So that I can implement more complex integration use cases where the connector is involved.

Acceptance Criteria

List of implemented actions:

• [x] pgp decrypt file
• [x] pgp encrypt file
• [x] Merge Encryption with Crypto component

Definition of Done:

• [ ] Unit/Integration tests
• [x] Documentation