Pull Request Overview

This PR introduces a new utility function resolve_nested_path to the viur.toolkit.helpers module. The function provides a flexible way to traverse deeply nested data structures using dot-separated paths or key sequences, with support for wildcard operations and both soft and hard failure modes.

Key changes:

• Added resolve_nested_path function with comprehensive path resolution capabilities
• Imported SkeletonInstance from viur.core.skeleton to support skeleton object traversal
• Updated __all__ to export the new function

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