neovim: install oil.nvim plugin

neovim/.config/nvim/after/plugin/oil.lua

@@ -0,0 +1,15 @@
+local oil = require("oil")
+
+oil.setup({
+  default_file_explorer = false,
+  skip_confirm_for_simple_edits = true,
+  columns = {},
+})
+
+vim.keymap.set("n", "<leader>o", function()
+  if vim.bo.filetype == "oil" then
+    oil.close()
+  else
+    oil.open()
+  end
+end)

neovim/.config/nvim/init.lua

@@ -80,6 +80,10 @@ require("packer").startup(function(use)
 
   use({ "ThePrimeagen/harpoon" })
 
+  use({
+    "stevearc/oil.nvim",
+  })
+
   if PACKER_BOOTSTRAP then
     require("packer").sync()
   end