Add dataset: Microglia_all_regions_Kunkle_2019_COLOC.snp-level_select.tsv.gz

[Brian M. Schilder]

Add dataset used in QTL vignette:

fullSS_path <- file.path(tempdir(),
                         "Microglia_all_regions_Kunkle_2019_COLOC.snp-level_select.tsv.gz")
# ## Download example data 
if(!file.exists(fullSS_path)){
  download.file("https://github.com/RajLabMSSM/Fine_Mapping_Shiny/raw/master/www/Microglia_all_regions_Kunkle_2019_COLOC.snp-level_select.tsv.gz", fullSS_path)
}

[Brian M. Schilder]

New function: get_Kunkle2019_coloc