Add Yamazaki et al (2020) terrain-following interpolation algorithm

[gmaze]

Hi folks,
A great new method was developed here to interpolate Argo float trajectories under ice.
I think this would be worth implementing in argopy, as suggested by euroargodev/terrain-following#1

The new API could look like this:

from argopy import DataFetcher as ArgoDataFetcher
argoset = ArgoDataFetcher(mode='expert').float(2900114)
ds = argoset.load().data.argo.traj_interp_terrain_following()

and the data set would have new LAT_INTERP/LON_INTERP variables with interpolated values

Getting topographic data could be made with argopy Topo fetcher so that users wouldn't have to manage this

[KaiheYamazaki]

I'm very happy with implementing the function! Please let me know if you need any assistance.

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[github-actions]

This issue was marked as staled automatically because it has not seen any activity in 90 days