Create AddMetadataInterface implementation

[lenaorobei]

Story #1183: Magento extracts image meta data from file

Implementation details

See: https://github.com/magento/adobe-stock-integration/wiki/Technical-Design:-Images-metadata-processing

Depends on writer implementation

AC

• Covered with tests

[m2-assistant]

Hi @lenaorobei. Thank you for your report.
To help us process this issue please make sure that you provided sufficient information.

Please, add a comment to assign the issue: @magento I am working on this

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