Move mask tasks

[mlubej]

No description provided.

[mlubej]

Another comment:

• the Theia snow mask uses the resize_images function from eolearn.mask.utils, which also uses the map_over_axis, located in the same file. On one hand, these functions seems generic and could be useful, on the other, they are not used anywhere else yet, and for resizing we have a dedicated task anyway..

so.. we could also move the utils here, or leave them in eo-learn, albeit unused...

[zigaLuksic]

Another comment:

* the Theia snow mask uses the `resize_images` function from `eolearn.mask.utils`, which also uses the `map_over_axis`, located in the same file. On one hand, these functions seems generic and could be useful, on the other, they are not used anywhere else yet, and for resizing we have a dedicated task anyway..

so.. we could also move the utils here, or leave them in eo-learn, albeit unused...

eolearn.core.utils.common._apply_to_spatial_axes

[mlubej]

moved over also the utils