Update backend api to fetch product images, price and rating

[jashgopani]

• Remove scraping from Etsy
• Scrape product image URL
• Fix scraping of rating and price

[rohanajm7]

• Scraping has been kept from Etsy, as discussed later after opening this issue
• Image URL is fetching and has been correctly displayed
• rating and prices are fixed and showing on the display as well