Implementing custom stats section

[nikhil-RGB]

Description:

• Add a custom stats section to the 'Statistics Page'
• This section allows users to view their gaming data from between a 5-20 day range, and allows
  them to select the start and end dates. This provides an advantage over the standard view, which
  provides information for only 1 week at a time and has a more obscure way of selecting the desired
  week.
• The standard view is the default view, and is the view which is displayed when navigating to the
  stats page. Both the standard and custom view maintain their state when the stats tab is selected on
  the landing page. However, if the user navigates to the calendar page or games page, the standard
  view maintains it's state while the custom view gets reset.

Screenshots: