Request: add support to coc.nvim

[afranioce]

The plugin coc.nvim use LSP, Make Vim/Neovim as smart as VSCode with support to a lot of langs.

[cizordj]

I think it's complicated to implement a framework with LSP because each language has its own interface for coc.nvim and we must to look for each language's plugin for that, this is a risk because not all languages have an interface for that.