Offers List DOM Virtualization

[TiagooGomess]

To help with performance on the browser, we should add virtualization to the list of offers on the homepage, so that even though we have already fetched 200 results, the DOM only contains the visible ones plus some offset (let's say 20 total), thus preventing the page to have to deal with a lot of results which are not even being rendered and prevent lag in the UI.