devel/py-inline-snapshot: New port

Golden master/snapshot/approval testing library which puts the values
right into your source code.

Key Features:

• Intuitive Semantics: snapshot(x) mirrors x for easy understanding.
• Versatile Comparison Support: Equipped with x == snapshot(...), x <= snapshot(...), x in snapshot(...), and snapshot(...)[key].
• Enhanced Control Flags: Utilize various flags for precise control of which snapshots you want to change.
• Preserved Black Formatting: Retains formatting consistency with Black formatting.
• External File Storage: Store snapshots externally using outsource(data).
• Seamless Pytest Integration: Integrated seamlessly with pytest for effortless testing.
• Customizable: code generation can be customized with @customize_repr
• Nested Snapshot Support: snapshots can contain other snapshots
• Fuzzy Matching: Incorporate dirty-equals for flexible comparisons within snapshots.
• Dynamic Snapshot Content: snapshots can contain non-constant values
• Comprehensive Documentation: Access detailed documentation for complete guidance.