Each plugin is defined under a user-chosen key and referenced in the DAG.
Schema
Language used by the plugin. Options: 
go, py.Plugin entry point. For Go use 
., for Python use a file name (e.g., mapper.py).List of input/expected test pairs. 
input and expected are filepaths.Example
tangent.yaml
🧠 Notes
- The plugin name (golangabove) is referenced in the DAG.
- Test files are optional but recommended for validating mappers.