nixpkgs/neovim: use mini.comment

.config/nixpkgs/neovim/plugins.lua

@@ -59,6 +59,9 @@ require('mini.bufremove').setup()
 -- shows a line indicating the current indentation scope
 require('mini.indentscope').setup()
 
+-- comment actions
+require('mini.comment').setup()
+
 -- LSP completion and function signature display
 require('mini.completion').setup({
   delay = {