[component] APITemplate.io

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

**References**

- Website: https://apitemplate.io/
- Documentation: https://docs.apitemplate.io/reference/api-reference.html#introduction

**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

Start with the APITemplate.io API reference linked in the issue, then inspect existing connectors in the repository for comparable actions, triggers, connection setup, tests, and documentation. The issue is complete when the supported actions and triggers are implemented, unit or integration tests and connection setup are provided, a Guidejar tutorial exists, and generated documentation is available.

Written by the indexing model from the issue text.