Dashboard + Product Entry (Supabase)

## Goal
Dashboard portal with Product Entry (single form + CSV bulk upload) writing to Supabase; trigger n8n webhook on create.

## Files
- label: "MVP Source Code" | url: https://github.com/ecells-projects/dashboard-product-entry
- label: "Supabase Schema" | url: https://supabase.com/dashboard

## Next actions
- Implement dashboard shell + app cards.
- Build Product Entry single form with live SKU preview.
- Add CSV upload with column mapping + validation.