Milestone 1.8.0

[simonkurtz-MSFT]

Resolves #80

[Copilot]

Pull Request Overview

This PR implements Milestone 1.8.0 with significant enhancements to the infrastructure and sample management system. The changes introduce automatic infrastructure detection and selection, streamlined notebook interfaces, and improved testing capabilities.

Key Changes

• Introduces infrastructure auto-detection and selection functionality through new helper classes
• Consolidates notebook structure with standardized environment initialization sections
• Adds comprehensive testing framework for infrastructure selection workflows

Reviewed Changes

Copilot reviewed 19 out of 19 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
tests/python/test_utils.py	Extensive test coverage for infrastructure selection, query functionality, and deployment scenarios
shared/python/utils.py	Core infrastructure management classes including InfrastructureNotebookHelper and enhanced NotebookHelper with auto-selection
samples/*/create.ipynb	Standardized notebook structure with consistent environment initialization and API configuration sections
infrastructure/*/create_infrastructure.py	New infrastructure creation modules providing programmatic deployment capabilities
infrastructure/*/create.ipynb	Simplified infrastructure notebooks using new helper classes
infrastructure/simple-apim/main.bicep	Removed deprecated revealBackendApiInfo parameter