5.3.0

• Added instant search dropdown position setting.
• Added notification warning system that detects if any plugin's is installed that interfair with our extension
  and giving the customer a warning, small description and linking to a support article that can help them to fix the problem.
• Added custom User-Agent header on all API call to clerk.io.
• Added Version API endpoint tells Clerk.io what system version, Clerk extension version and PHP version the shop is using.
• Added Plugin API endpoint tells Clerk.io what extensions that is installed on the shop, so our customer service have the much info as possible for helping our customers.
• Fixed Pages endpoint bug, prevent the shop to send pages with data that not is up to Clerk.io requerments.
• Removed Load more button from search page it's now controlled from the design's in my.clerk.io.
• Fixed exclude bug on multiple recommendations in powerstep pop-up and page.