My emacs configuration.
see https://www.gnu.org/savannah-checkouts/gnu/emacs/download.html
brew install --HEAD emacs-plus --with-emacs-27-branch --with-jansson --without-spacemacs-icon
scoop install ripgrep # windows
scoop install ag # windows
go get -u -v golang.org/x/tools/gopls@latest go get -u -v github.com/sqs/goreturns
rustup component add rust-src
pip3 install python-language-server[all]