Create Item Mutation

[kavinphan]

Description

Create a POST route handler at /api/items that accepts form data, creates an Item record using the form data. The form data will include the following fields: title, category, quantity, expiration, unitSize, datePosted, lotNumber, donorName, and unitPrice.

Success Criteria

• 401 if no session
• 403 if user is not an ADMIN or SUPER_ADMIN
• The form data is validated using a zod schema
• An Item record is created
• The route handler is documented with a description of its function, parameters, and responses
• There is a test file that covers the success criteria