A new page for visualizing FABRIC Metrics data

[yaxue1123]

Besides the current 4 FABRIC Metrics numbers shown on the homepage, add a new page of visualization of the more completed data. Possible visualization formats: line chart, column chart.

Mock data:

{
  "active_cumulative": 1533,
  "active_within_180_days": 774,
  "active_within_24_hours": 31,
  "active_within_30_days": 166,
  "active_within_7_days": 80,
  "active_within_90_days": 469,
  "non_active_cumulative": 30
}