add a plot as vector graphics into layout placeholder

add a plot as vector graphics into layout placeholder

phl_with_vg(x, olay, id, code, ggobj = NULL, ...)

Arguments

x	rpptx object
olay	an OfficerLayout object created using phl_layout
id	an single integer with an id of the placeholder from olay object.
code	plot instructions.
ggobj	ggplot objet to print. Argument code will be ignored if this argument is supplied.
...	other arguments passed to dml_pptx