[Feature Request] Friendlier interaction with `latexmkrc` specifying alternate compilers

[s5bug]

Using TeXiFy-IDEA for the first time today: I've created a latexmkrc in my root directory:

All this file does is set $pdf_mode = 4. So, I would like to be able to do two things:

1. Set the working directory of a LaTeX Run Configuration separately from the file it builds, so that latexmk picks up this file without it having to be in src (i.e. working directory /my/project, target source file /my/project/src/main.tex)
2. Disable the default -pdf passed to latexmk, which I would've expected the output format option to do