Add: Migration: Migration for product table
Add: App: Product model
Add: App: image field for product model
Add: Gitignore: ignoring product images folder
Add: Product: new product form
Refactor: App: move image handling logic to FIleBehavior
Fix: File: double slashes path in FileBehaviour
Add: File: http path
Fix: App: placeholder on product form
Add: App: products list