Dev tooling (devtools et alii)

[mmyrte]

Hi @dsval

As mentioned in the thread at jaideep777@05dc5ce, I'd like to contribute to your project with this PR. Some of the changes are a little opinionated, but as the whole devtools/roxygen/pkgbuild toolchain is well established by now, and since apparently you already worked in VS code on this repo, I feel comfortable asking you to consider these changes.

If you feel comfortable with these contributions, I would gladly resolve some further namespace ambiguities, start to add test cases, and remove dead code, either in this PR or a separate one. You decide.

As I mentioned, I err on the side of collaboration, but if you'd rather not bother with PRs, I totally understand. Time is precious.

Best

Jan

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Also tagging @jaideep777, even if he might not want to use the R environment.

[jaideep777]

Hi Jan @mmyrte

These cleanup edits look nice. I just want to say that these changes appear compatible with the changes I have made on the C++ side, so if @dsval decides to merge both our PRs (I havent created mine yet), they will most likely not conflict.

Best,
Jaideep