[VIZ] Integrate Doppler Maps

**Is your feature request related to a problem? Please describe.**
We have this we built - https://github.com/CodeForAfrica/DopplerMaps

**Describe the solution you'd like**
https://github.com/CodeForAfrica/DopplerMaps

**Describe alternatives you've considered**
None - Need check

**Additional context**
We built it but needs proper scoping for integration.
