(pipes-sources): Add MQ broker source for EventBridge pipes

### Describe the feature

Add a implementation for the MQ broker source for EventBridge pipes in the `pipes-sources` module.

### Use Case

For feature completeness of the L2 pipes module this source is required.

### Proposed Solution

_No response_

### Other Information

_No response_

### Acknowledgements

- [ ] I may be able to implement this feature request
- [ ] This feature might incur a breaking change

### CDK version used

-

### Environment details (OS name and version, etc.)

-

Start by examining the existing implementations in the `pipes-sources` module and compare their structure with the EventBridge Pipes MQ broker source requirements. Add the missing MQ broker source for feature completeness of the L2 pipes module, then verify it against the module's existing tests and conventions.

Written by the indexing model from the issue text.