add support for all new SDK features

[farfromrefug]

Look at the doc to see added APIs (TerrainOptions, composite layer, contours data source...)
Then create the new apis following the current module "design"

Android API: https://www.akylas.fr/mobile-sdk/api/android/
IOS API: https://www.akylas.fr/mobile-sdk/api/ios/
Guides: https://www.akylas.fr/mobile-sdk/docs/category/guides