Oisin-M

Implement the option to use GBM and provide an easy example tutorial notebook.

Feature/zarr

4

Implements a simple `zarr` source for reading zarr files (only version 2 at the moment)

### What happened? Fail to detect tar files correctly unless they have correct extension. Should change to base on file content ### What are the steps to reproduce the bug?...

Automatically pick up earthkit modules

4

### Is your feature request related to a problem? Please describe. No dynamic pick-up of new modules ```python !pip install earthkit !pip install earthkit-climate import earthkit as ek ek.data #works...

### Is your feature request related to a problem? Please describe. #### Inconsistent API depending on installation method ```python !pip install earthkit import earthkit as ek ek.data.from_source(...) #works ``` ```python...

Close #97

### What maintenance does this project need? Currently we have duplicated `__init__` in earthkit and earthkit-utils. However, as an end state we should aim to have just one single init...

### Is your feature request related to a problem? Please describe. It would be nice to add support for geopackage file formats. I think this can be similar to the...