Show previously visited sites on home page

[NatoBoram]

• Whenever I visit a site, the SiteView should be saved
• There should be a grid of visited sites in the home page
• There should be a default site setting, bypassing the home page
• Users should be able to delete an entry, logging them out
• Users should be able to hide an entry, not logging them out
• #84
• Users should be able to log into multiple accounts per instances, these would show up as multiple entries on the home page
• #85

Related

• #36