GitLab

* [R-package] replaced gendef.exe with R code to create R.def (fixes #3064)

* fix broken things

* trying to add R4.0 docs

* changed make

* fixing make paths

* update notes on environment variables

* fix linting

* fixes to CI

* fixing build_cmd and other stuff

* fix bad substitution

* fix Azure Linux builds

* I am bad at bash

* simplifying

* only testing R

* getting better logs

* mingw32

* docs

* toolchain

* using msys

* fix visual studio condition

* toolchain test

* full CI

* fix if-elses

* bump allowed NOTEs

* search for Rscript

* updates to docs

* use processx

* fix mismatched arguments

* move CI to GitHub Actions

* minor changes

* fix workflow file

* fix templating

* fix Azure DevOps

* debugging windows builds

* dont shQuote file name

* all GitHub Actions jobs

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* minor cleanup

* remove objdump printing

* make file.remove() invisible

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* reduce duplicated paths in docs
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Fixed typos in docs

* Fixed inconsistencies in documentation

* Updated strategy for registering routines

* Fixed issues caused by smashing multiple functions into one Rd

* Fixed issues with documentation

* Removed VignetteBuilder and updated Rbuildignore

* Added R build artefacts to gitignore

* Added namespacing on data.table set function. Updated handling of CMakeLists file to get around CRAN check.

* Updated build instructions

* Added R build script

* Removed build_r.sh script and updated R-package install instructions