Add column in on Sample page for BigWig file downloads

[owlang]

We want two new files to be available for download by the users in a new column under "Files".

Output is similar to FASTQ1 and FASTQ2 but with stats_tool_id="bigwig_dataset_forward_output_stats" or stats_tool_id="bigwig_dataset_reverse_output_stats" and tool_id="scidx_to_bigwig_forward" or tool_id="scidx_to_bigwig_reverse".

[dshao]

@owlang Expected payload from Galaxy:

{
"run": 1,
"sample": 1,
"genome": "sacCer3_cegr",
"workflowId": "xxxxxxxx",
"historyId": "xxxxx",
"history_url": "https://somepath/hisotry?id=xxxx",
"toolCategory": "output_bigwigForward", // or "output_bigwigReverse"
"statsToolId": "bigwig_dataset_forward_output_stats", // or "bigwig_dataset_reverse_output_stats"
"workflowStepId": "xxxx",
"userEmail": "xxxx@psu.edu",
"toolId": "scidx_to_bigwig_forward", // or "scidx_to_bigwig_reverse"
"datasets": [
{
"type": "bigwig",
"id": "xxxx",
"uri": "https://xxx.xxx.edu/datasets/xxxx/display?preview=True"
}
]
}