[component] Blackboard

As a Workflow Developer,
I want to be able to use the native **Blackboard** connector,
So that I can implement more complex integration use cases involving **Blackboard**.

**References**

- Website: [Website: https://apaleo.com/](https://bme-o.blackboard.com/)
- Documentation: https://help.blackboard.com/Learn/Administrator/SaaS/Integrations/Compare_Building_Blocks_and_Rest

**Acceptance Criteria**

Implemented actions:
TODO

Implemented triggers
TODO

**Definition of Done**

- [ ] Unit/Integration tests
- [ ] Connection setup steps
- [ ] Guidejar tutorial for connection setup
- [ ] Documentation is generated and available

The issue names no implementation files, tests, or entry points. Start by locating the repository's existing connector conventions and reviewing the linked Blackboard REST documentation; done means implementing defined actions and triggers, adding tests and connection setup, publishing a Guidejar tutorial, and generating the documentation.

Written by the indexing model from the issue text.