Example Application Package Workflow Wrapper

[mike-gangl]

Create a template repo (or add to the application package template repo) a workflow that can...

1. Search for data
2. run the Application package (stage-in, process, stage-out)
3. catalog the results

With clearly defined places to add inputs, etc.

[mike-gangl]

Added https://github.com/unity-sds/unity-example-application/blob/main/workflow/workflow.cwl as an example workflow using the example unity app.

Added output_collection to the notebook inputs to add in the to_stac portion.