feat: get the product details from the barcode ( #185)

[shradiphylleia]

What

• sets up a backend route to fetch product data based on the barcode numeric of the product.
• fixes Create a Knowledge Panel compliant route for the Folksonomy Engine list of properties for a given barcode #185

Screenshot

if the product is present the product details will be fetched

Fixes bug(s)

Part of

• Create a Knowledge Panel compliant route for the Folksonomy Engine list of properties for a given barcode #185

[areebahmeddd]

I don't think this is the correct way of implementing a Knowledge Panel.

[shradiphylleia]

I don't think this is the correct way of implementing a Knowledge Panel.

thanks for having a look at my pr.
Alex garel mentioned that setting up backend route and creating the web component were being treated independently. mentioning the conversation for reference:
#185 (comment)

[alexgarel]

@shradiphylleia as noted by @areebahmeddd this does not match the knowledge panels api specification at all.

Also the API should be something like product//knowledge_panels

[shradiphylleia]

will have a look at it again.