neovim setup for development, beancount

https://neovim.io/ -- use tar with linux binaries or compile from source (not checked).

Install packer: https://github.com/wbthomason/packer.nvim

Setup lspconfig: https://github.com/neovim/nvim-lspconfig

run :PackerSync on changes to plugins.lua

setup https://github.com/matze/beancount-language-server

pip install neovim

Use CTRL-X-CTRL-O in insert mode.