Replicate the 'My Prices' view from the Open Prices web app

[teolemon]

What

• Replicate the 'My Prices' view from the Open Prices mobile app
• https://prices.openfoodfacts.org/app/dashboard/prices)
• https://github.com/openfoodfacts/open-prices-frontend/blob/master/src/views/UserDashboardPriceList.vue

Code pointers

Part of

• Open Prices (tracker) #5072

[teolemon]

@monsieurtanuki We might simply integrate a link to the web version from here, as a first version:

[monsieurtanuki]

I should be able to PR today.