Create a domain summary report

[brendanheywood]

• [ ] new tab
• [ ] in the persistent split the url into a domain and path columns
• [ ] url can be char, we'll want to index this
• [ ] path can be text
• [ ] the hash should remain the has of the full url
• [ ] the domain is verbatim including the scheme and port and in rare cases username and password
• [ ] this report should group urls by unique domain and show the total number of urls, links, and broken urls + links
• [ ] use duckduckgo icon service https://icons.duckduckgo.com/ip3/www.catalyst-au.net.ico