[component] Mem

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

**References**

- Website: https://get.mem.ai/
- Documentation: https://docs.mem.ai/guides/get-started/overview

**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

No implementation files, entry points, actions, triggers, or tests are named. Start with the linked Mem overview and guide, then inspect existing native connector patterns; done means actions and triggers are defined, tests and connection setup are included, and the Guidejar tutorial and generated documentation are available.

Written by the indexing model from the issue text.