Need to add some additional features and UI changes to my CodeIgniter website (Amazon API / Kindle)

Amazon Affiliate website made with CodeIgniter (uses amazon API, no images or other details are saved in my website server. Everything is received from Amazon API) Fix some server issues. And there are some features to be added to the new website. Home page should be newly released books/ pre-order along with the date. Links need proper hierarchy/ structure (authors name/series name/ book name) Need the book excerpt / blurb / description to be displayed in the link preview in social media. Connect MailChimp to gather email ids of users. and an login icon on top right corner of the site. Visitor Analytic Widget A forum page for Logged in Users should be able to Post anything (Image, Text, Video...) in the homepage similar to social media (Facebook, reddit , twitter) in homepage. Add google ads, fb mesenger chatbot and search option, remove the slider, better review/comment UI, optimize mobile version Disable POP, Remove social media from Mobile or make it look good, Show 1 book in mobile view, Change the order of Add to cart(Price) & Buy Now button, Change the Color of buy now which is like on hover , Remove Price from listing page as well as from detail page, Change the Add to cart and buy now button on detail page where the price is currently, Add the date on listing page as per amazon with small letters, Check for the pagination issue if the books are not available in that case pagination should not be available.