feat: customizing completions doc window

lua/plugins/nvim-cmp.lua

@@ -46,6 +46,10 @@ return { -- Autocompletion
                     luasnip.lsp_expand(args.body)
                 end,
             },
+            window = {
+                -- completion = cmp.config.window.bordered(),
+                documentation = cmp.config.window.bordered(),
+            },
             completion = { completeopt = 'menu,menuone,noinsert' },
 
             -- For an understanding of why these mappings were