plot_scatter_basic: plot a basic scatte plot
In frhl/genoppi-v4: genoppi

Draws a pair of specific replicates in a scatter plot.

plot_scatter_basic(
  df,
  repA = "rep1",
  repB = "rep2",
  size_point = 3,
  col_significant = "#41AB5D",
  col_other = "grey"
)

`df`	A data.frame containing at least gene, significant, replicate/triplicate columns.
`repA`	string that is column in df. Expects name to be in the form of rep[0-9], e.g. 'rep1'.
`repB`	string that is column in df.
`size_point`	size of point.
`col_significant`	color for significant protein interactors.
`col_other`	color for other protein interactors.