Create tutorial for creating new layers in frontend

### Tasks

 - [x] Corespond with other devs working on refactoring layers
 - [ ] Add doc with tutorial for frontend parallel to tutorial for backend (done by @horenso)


### Use case

Hydrology layer (see [Usecase](https://blob.permaplant.net/master/doc/usecases/assigned/hydrology_layer.md))

### Related Pull request

_No response_