plot_sashimi: Visualise RNA-seq data in a the form of a sashimi plot
In dzhang32/RNAdiagnosR: What the Package Does (One Line, Title Case)

plot_sashimi plots the splicing events and coverage over a specific transcript and/or genomic region of interest. Centres around ggplot functions.

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plot_sashimi(gene_tx_to_plot, region_to_plot = NULL, junc_metadata,
  junc_counts_case, junc_counts_ctrl = NULL, coverage_case = NULL,
  coverage_ctrl = NULL, ref, add_junc_label = F, binwidth = 50)

`gene_tx_to_plot`	gr. Currently only accepts an ensembl transcript id that is found in the ref input. In future, this may be extended to plot genes, however need to think about how to plot the gene_track
`region_to_plot`	gr. Only plot exons and juncs that overlap this region and are connected to `gene_tx_to_plot`
`junc_metadata`	gr. Junction details. Essentially must contain the co-ordinates of the junctions to plot and annotation of junctions by acceptor/donor using `annotate_junc_ref`
`junc_counts_case`	num. Vector containing the counts of cases with same order and length as `junc_metadata`
`junc_counts_ctrl`	num. Vector containing the counts of ctrls same order and length as `junc_metadata`
`coverage_case`	chr. Path to the bw object of case. Leave as NULL if you don't want this to be plotted.
`ref`	gr. gtf annotation imported through `rtracklayer`.