Ward listing page

[alexkahn]

• [x] Display a list of wards by number with Alderman
• [x] Make a map with a series of bounding boxes displaying all wards
• [ ] Bonus: Make a heatmap view to show report concentration underneath wards layer
• Do some aggregation on the report and location data related to Wards
  • [x] Number of locations
  • [x] Number of reports
• [x] Add a sorting feature for the data