Add dummy product-onboarding skill to add-products

add-products/product-onboarding/SKILL.md

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+# Product Onboarding Skill
+
+A skill for onboarding new products into Helloprint's catalog.
+
+## Description
+
+This skill assists with the end-to-end process of adding a new product to the Helloprint platform, including data validation, supplier mapping, and pricing setup.
+
+## Triggers
+
+Use this skill when the user mentions:
+- "add a new product"
+- "onboard product"
+- "new product setup"
+- "product data entry"
+- "catalog addition"
+
+## Workflow
+
+1. **Collect product information** — gather product name, category, specifications, and supplier details
+2. **Validate data** — check for required fields, formatting, and consistency with existing catalog
+3. **Map to supplier** — match product specs to available supplier capabilities
+4. **Set up pricing** — calculate base pricing from supplier costs, margins, and country rules
+5. **Generate preview** — create a summary for review before publishing
+
+## Required Inputs
+
+- Product name and description
+- Product category (from Helloprint taxonomy)
+- Specifications (size, material, finishing options)
+- Supplier name or ID
+- Base cost from supplier
+
+## Output
+
+A structured product record ready for import into the catalog system, plus a summary report of any validation warnings.