add motu product

[7yl4r]

add mirrored product from MOTU.

https://my.cmems-du.eu/thredds/dodsC/cmems_obs-sl_glo_phy-ssh_my_allsat-l4-duacs-0.25deg_P1M-m

A .sh script is being added here to download the .nc files using methods described in https://github.com/noaa-onms/climate-dashboard/issues/3

Steps to complete:

• [ ] download data script working
• [ ] generateDatasetXml.sh run on the new .nc files
• [ ] xml added & confirmed working in ERDDAP

[7yl4r]

data pipeline :

flowchart TD
    ERDDAP[("ERDDAP")]
    MOTU[(MOTU)]

    MOTU --> mirror_motu{mirror motu} --> ERDDAP

%% crontabed script to dl from MOTU
%% erddap config to include data from MOTU

    local_files[".nc local files"]

    ERDDAP -- "extractR" --> local_files

    local_files -- polygon_subset --> csv_files

    %% https://github.com/7yl4r/extracted_sat_ts_gom_csv_data
    csv_upload{csv_upload}

    csv_files --> csv_upload
    gh[(github)]
    csv_upload --> gh

    gh --> dashboard

[7yl4r]

opened discussion thread on ERDDAP forum: https://groups.google.com/g/erddap/c/e_ey473ocAM

[7yl4r]

implementation started on the motu branch but waiting to hear back from the forum before putting more work in