Broken example and class hierachy links in the documentation

**Describe the bug**
The index of the documentation points to https://big-map.github.io/BattINFO/pages/battinfo.html for Class Index which 404s, and similarly all of the example pages 404 (looks like this would be fixed by #203.

**To Reproduce**

Steps to reproduce the behavior:

1. Go to deployed docs at https://big-map.github.io/BattINFO/index.html