[nvim] Add COC

.config/nvim/init.vim

@@ -13,6 +13,7 @@ call plug#begin('~/.config/nvim/plugged')
     Plug 'junegunn/fzf.vim'
     Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
     Plug 'kyazdani42/nvim-web-devicons' " requis pas bufferline
+    Plug 'neoclide/coc.nvim', {'branch': 'release'}
 "    Plug 'akinsho/bufferline.nvim'
 "    Plug 'ms-jpq/chadtree', {'branch': 'chad', 'do': 'python3 -m chadtree deps'}
 call plug#end()
@@ -57,6 +58,8 @@ nnoremap <silent> <C-o> :Buffers<CR>
 "nnoremap <C-n> :bn<CR>
 "nnoremap <C-b> :bp<CR>
 
+"COC Make Enter accept the autocomplete suggestion
+inoremap <silent><expr> <CR> pumvisible() ? coc#_select_confirm() : "\<CR>"
 
 set shiftwidth=4
 set softtabstop=4