Adding coc.vim.

nvim/init.vim

@@ -2,6 +2,7 @@ call plug#begin('$XDG_DATA_HOME/vim-plugins')
 Plug 'kamykn/skyknight'
 Plug 'junegunn/fzf'
 Plug 'junegunn/fzf.vim'
+Plug 'neoclide/coc.nvim', {'branch': 'release'}
 Plug 'Yggdroot/indentLine'
 Plug 'tpope/vim-commentary'
 Plug 'itchyny/lightline.vim'
@@ -44,6 +45,9 @@ map <leader>nb <Esc>:set cc=0<CR>
 map <leader>n  <Esc>:set nonumber!<CR>:IndentLinesToggle<CR>:GitGutterSignsToggle<CR>
 map <leader>p  <Esc>:set paste!<CR>
 
+inoremap <silent><expr> <CR> coc#pum#visible() ? coc#pum#confirm()
+                              \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"
+
 set bg=dark
 set termguicolors
 colorscheme skyknight