Oasis service phase 3 tasks

[CodeBear801]

Target:

• [ ] Refactoring current structure to make its easier to understand https://github.com/Telenav/osrm-backend/issues/352
  • [ ] Refactoring tasks https://github.com/Telenav/osrm-backend/issues/352#issuecomment-661453533
  • [x] Architecture design document for OASIS https://github.com/Telenav/osrm-backend/issues/359
  • [x] Add document for charge station based routing #366
• [ ] docker file for pre-processing/service/service with data https://github.com/Telenav/osrm-backend/issues/354
• [ ] helm-chart for service orchestration https://github.com/Telenav/osrm-backend/issues/354
• [ ] Presentation/summary for charge station selection
  • Dynamic connectivity based on charge stations
  • Google S2
  • Test driven development