list ms too

cmd/pinger/index.html.tmpl

@@ -16,6 +16,7 @@
                 ELSE
                   'bad'
                 END AS ok
+              , ms
             FROM
               "pinger_pings"
             ORDER BY start DESC
@@ -30,6 +31,7 @@
               : "🔴",
             `${Math.round((new Date() - 1000*{{.start}})/1000.0)}s ago`,
             new Date(1000*{{.start}}),
+            `${ms}ms`,
           ],
         {{ end }}
         ]