Added AI, cleaned up some things

lua/barink/plugins/Oil.lua

@@ -8,6 +8,7 @@ return {
             'nvim-tree/nvim-web-devicons'
         },
         config = function()
+            require("oil").setup()
             vim.keymap.set("n", "-", "<CMD>Oil<CR>", { desc = "Open parent directory" })
         end
     }