remove startup, default to fullscreen oil, add pairs back

lua/custom/plugins/auto-pairs.lua

@@ -0,0 +1,7 @@
+return {
+  'windwp/nvim-autopairs',
+  event = 'InsertEnter',
+  config = true,
+  -- use opts = {} for passing setup options
+  -- this is equivalent to setup({}) function
+}