Scrape AMP URLs for link topics
AMP URLs can be useful for people in low bandwidth situations, or who simply want a lighter site experience. Most news content providers have an AMP link in the canonical page's source.
<link href="https://www.marketwatch.com/amp/story/guid/3E0DE198-9646-11E8-B4C0-9A68496384B1" rel="amphtml">
The scraper used in #171 (closed) could be expanded to include recording amphtml URL.
In the UI, if an amphtml URL was recorded, a new set of topic menu links which could begin with the AMP button. Mockup
#183 is a related issue.
Note 1: Another big use case for the AMP link is that it avoids paywalls in a completely proper and ethical manner. Based on limited research of browsing NYTimes and Washington Post, most but not all articles have and amphtml version. The amphtml version of a page is never behind a paywall where as their canonical version often is.