In order to setup the input_numbers/products you need to follow the below structure
Step 1: Create Product Categories
> Navigate to your url e.g. https://homeassistant.website.com/local/pantry.html
> Select 'Generate'
> Enter category name e.g. Fanta (note: this will still say product name)
Step 2: Create Products
> Navigate to your url e.g. https://homeassistant.website.com/local/pantry.html
> Select 'Generate'
> Enter product name e.g. Fanta
> Enter ImageURL of the product e.g. http://website.com/image.jpg
> Click "Select Category" and apply this to the required category
> Hit 'Generate YAML'
Note; All products must have an associated category or it will not display!
Step 3: Import input_numbers
> Create the below structure
/config/stock/inventory.YAML
> Paste the output of 'Generated Input Number YAML' into inventory.YAML
> Paste the output of 'Generated Customize YAML' into configuration.YAML
An example of these are located in the project files!
Step 4: Reboot Home Assistant and navigate back to the URL