add autopairs

lua/custom/plugins/autopairs.lua

@@ -0,0 +1,12 @@
+return {
+  'windwp/nvim-autopairs',
+  -- optional deps
+  dependencies = { 'hrsh7th/nvim-cmp' },
+  config = function()
+    require('nvim-autopairs').setup {}
+    -- if you want to automatically add `(` after selecting a function or method
+    local cmp_autopairs = require 'nvim-autopairs.completion.cmp'
+    local cmp = require 'cmp'
+    cmp.event:on('confirm_done', cmp_autopairs.on_confirm_done())
+  end,
+}