juaml/datalad-example-bgen: Example been dataset

Oscar Portoles 8976615a68 add csv files with weights for all or some of the rsids in the datalad-example-bgen		3 anni fa
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weights_5rsids.csv	8976615a68 add csv files with weights for all or some of the rsids in the datalad-example-bgen	3 anni fa
weights_allrsids.csv	8976615a68 add csv files with weights for all or some of the rsids in the datalad-example-bgen	3 anni fa