Move vim config into nix config

sets/init.vim

@@ -0,0 +1,53 @@
+cnoremap w!! w !sudo tee > /dev/null %
+
+set guifont=Fira\ Code:h11
+
+let g:airline#extensions#tabline#enabled = 1
+let g:airline#extensions#tabline#fnamemod = ':t'
+let g:airline_powerline_fonts = 1
+
+set hidden
+set nobackup
+set nowritebackup
+set cmdheight=2
+set updatetime=2
+set shortmess+=c
+set signcolumn=yes
+" Use tab for trigger completion with characters ahead and navigate.
+inoremap <silent><expr> <TAB>
+      \ pumvisible() ? "\<C-n>" :
+      \ <SID>check_back_space() ? "\<TAB>" :
+      \ coc#refresh()
+inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+
+function! s:check_back_space() abort
+  let col = col('.') - 1
+  return !col || getline('.')[col - 1]  =~# '\s'
+endfunction
+
+" Use <c-space> to trigger completion.
+inoremap <silent><expr> <c-space> coc#refresh()
+
+" Use `[g` and `]g` to navigate diagnostics
+nmap <silent> [g <Plug>(coc-diagnostic-prev)
+nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+" GoTo code navigation.
+nmap <silent> gd <Plug>(coc-definition)
+nmap <silent> gy <Plug>(coc-type-definition)
+nmap <silent> gi <Plug>(coc-implementation)
+nmap <silent> gr <Plug>(coc-references)
+
+
+" Highlight the symbol and its references when holding the cursor.
+autocmd CursorHold * silent call CocActionAsync('highlight')
+
+" Symbol renaming.
+nmap <leader>rn <Plug>(coc-rename)
+
+" Formatting selected code.
+xmap <leader>f  <Plug>(coc-format-selected)
+nmap <leader>f  <Plug>(coc-format-selected)
+
+command! -nargs=0 Format :call CocAction('format')
+command! -nargs=? Fold :call     CocAction('fold', <f-args>)

sets/neovim.nix

@@ -5,6 +5,25 @@
     enable = true;
     vimAlias = true;
     defaultEditor = true;
-    configure.customRC = "source ~/.config/nvim/init.vim\n";
+    configure = {
+      customRC = builtins.readFile ./init.vim;
+      packages.default.start = with pkgs.vimPlugins; [
+        coc-nvim
+        editorconfig-vim
+        fzf-vim
+        vim-airline
+        vim-airline-themes
+        vim-clang-format
+        vim-fetch
+        vim-nftables
+        vim-nix
+        vim-sensible
+        vim-toml
+
+        coc-go
+        coc-json
+        coc-rust-analyzer
+      ];
+    };
   };
 }