Produce taxon lookup file for loading to ES

[dustine32]

To provide label and abbreviation for each taxon ID in the annotations JSON file. Abbreviation will be first initial of Genus and first two letters of species (assuming Genus species format).

Example taxon entry:

    {
        "taxon_id": "559292",
        "taxon_label": "Saccharomyces cerevisiae",
        "taxon_abbr": "Sce",
    }

[dustine32]

Closing as done