Fixes #18
Updated null-ls setup instructions for latest neovim to fix the error below which is mentioned in issue #18
Error detected while processing BufWritePost Autocommands for "<buffer=3>":
E5108: Error executing lua [string ":lua"]:1: attempt to call field 'formatting' (a nil value)
stack traceback:
[string ":lua"]:1: in main chunk
Fixes #18 Updated null-ls setup instructions for latest neovim to fix the error below which is mentioned in issue #18
The code is from null-ls docs here