Chore: few shot examples

[lorchda]

Issue #, if available:

Description of changes:

For the configuration rvl-cdip-package-sample-with-few-shot-examples:

• fix broken paths
• fix classification prompt (add classes)
• fix extraction prompt (add few-shot examples)

For few-shot example notebooks:

• add AWS profile setup

For idp_common/extraction/service.py:

• fix metering format

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