updated vim.md regarding breaking change in neovim 0.11

https://neovim.io/doc/user/news-0.11.html#_lsp

Author: nathan-hello

gopls/doc/vim.md

@@ -174,11 +174,12 @@ Use the following configuration to have your imports organized on save using
 the logic of `goimports` and your code formatted.
 
 ```lua
-autocmd("BufWritePre", {
+vim.api.nvim_create_autocmd("BufWritePre", {
   pattern = "*.go",
   callback = function()
-    local params = vim.lsp.util.make_range_params()
-    params.context = {only = {"source.organizeImports"}}
+    local params = vim.lsp.util.make_range_params(0, "utf-8")
+    params.context = { only = { "source.organizeImports" } }
+
     -- buf_request_sync defaults to a 1000ms timeout. Depending on your
     -- machine and codebase, you may want longer. Add an additional
     -- argument after params if you find that you have to write the file
@@ -193,11 +194,12 @@ autocmd("BufWritePre", {
         end
       end
     end
-    vim.lsp.buf.format({async = false})
+    vim.lsp.buf.format({ async = false })
   end
 })
 ```
 
+
 ### <a href="#neovim-omnifunc" id="neovim-omnifunc">Omnifunc</a>
 
 In Neovim v0.8.1 and later if you don't set the option `omnifunc`, it will auto