[Doc] Update the Notebook 0 to reflect the changes in v0.3 (#844)

*Issue #, if available:*

*Description of changes:*
This PR updates the example Notebook 0 to reflect the changes of output
folder structure of graph construction in v0.3.

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Co-authored-by: Ubuntu <[email protected]>
Co-authored-by: jalencato <[email protected]>