Added GitHub Actions workflow for automatic versioning and releases using semantic-release with Angular commit convention.
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Co-Authored-By: Claude <noreply@anthropic.com>
Added Discount struct with comprehensive discount information and added discount-related fields (Discounts, SavedAmount, TotalRebateRate) to Order struct to expose discount data from Snipcart API.
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Co-Authored-By: Claude <noreply@anthropic.com>