Auto-detect Notebook parameters for Publish

[santhoshramaraj]

The Notebook publish workflow from JupyterHub on SLE automatically detects the parameters based on the cell's papermill metadata.

nisystemlink-clients-python/examples/notebook/notebook.py

Line 13 in 4a965b4

metadata = NotebookMetadata(

Available API client expects the user to provide the parameters as metadata. A better user experience will be to select a notebook and the rest of the details auto-detected.