write_to_BED: Write Motif Vector to BED File
In NElnour/3dannotator: Classification of genome motifs or features to TADs

Write a motif and its location to a BED file stored locally.

1	write_to_BED(motif_ranges, motif_name, chrom)

`motif_ranges`	A numeric vector of motif's membership scores. The names of the entries correspond to the motif's location on the chromsome chrom.
`motif_name`	A string containing the name of the motif to be stored.
`chrom`	A string denoting the chromosome containing the motif and chromatin loop.