added file explorer, auto open when reading a file

init.lua

@@ -247,6 +247,14 @@ require('lazy').setup({
   --
   -- Use `opts = {}` to automatically pass options to a plugin's `setup()` function, forcing the plugin to be loaded.
   --
+  --  This is equivalent to:
+  --    require('Comment').setup({})
+
+  -- "gc" to comment visual regions/lines
+  { 'numToStr/Comment.nvim', opts = {} },
+  { 'vidocqh/data-viewer.nvim', opts = {}, dependencies = {
+    'nvim-lua/plenary.nvim',
+  } },
 
   -- Alternatively, use `config = function() ... end` for full control over the configuration.
   -- If you prefer to call `setup` explicitly, use:

lua/custom/plugins/plugins.lua

@@ -7,4 +7,23 @@ return {
   'tanvirtin/monokai.nvim',
   'folke/tokyonight.nvim',
   'EdenEast/nightfox.nvim',
+  {
+    'nvim-tree/nvim-tree.lua',
+    config = function()
+      vim.g.loaded_netrw = 1
+      vim.g.loaded_netrwPlugin = 1
+      vim.api.nvim_create_autocmd('BufReadPost', {
+        callback = function(data)
+          local api = require 'nvim-tree.api'
+          api.tree.open()
+        end,
+      })
+      require('nvim-tree').setup {
+        sort = { sorter = 'case_sensitive' },
+        view = { width = 30 },
+        renderer = { group_empty = true },
+        filters = { dotfiles = true },
+      }
+    end,
+  },
 }