Heatmap Results: Build basic Heatmap UI

[rolfheij-sil]

We want the Platform.Bible extension to show a heatmap that has all the same features as the one in the AQuA cloud app.
A good first step might be to check if Russell's extension gives us everything that we need. If it doesn't, you can check the source code for the AQuA Django web app and get inspiration from there.

Two important features of the heatmap are the Square hover #21 and the Square click #22 behavior