Upstream servers widget suggestions

Just some thoughts on the upstream servers widget on the homepage:

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  1. The title could be improved, eg "Fate of requests" or "Request destinations" (please don't use those verbatim :grin:), since blocked/cached requests don't go to an upstream server.
  2. Requests that are actually sent upstream could/should be green (currently very similar in colour to blocked requests
  3. I have 2 upstream servers (like most people). These are shown as separate in the pie graph, but ideally could/should be combined into one.
  4. Perhaps some numbers here would be nice, eg numbers that aren't shown in the main section

Keep up the great work!