add oil. try to get python debugger working

lua/custom/plugins/oil.lua

@@ -0,0 +1,15 @@
+-- use `nvim .` or `knv .` to open neovim with this active
+return {
+	'stevearc/oil.nvim',
+	opts = {
+		view_options = {
+			-- Show files and directories that start with "."
+			show_hidden = true,
+		}
+	},
+	-- Optional dependencies
+	dependencies = { "nvim-tree/nvim-web-devicons" },
+
+	-- set keymap for opening Oil file explorer
+	vim.keymap.set({ 'n' }, '<leader>oe', ':Oil<CR>', { desc = 'Open Oil file explorer', silent = true })
+}