feat(ui): add config to turn off hints popup (#75)

lua/avante/selection.lua

@@ -62,6 +62,9 @@ end
 
 function Selection:setup_autocmds()
   Selection.did_setup = true
+  if Config.hints.enabled == false then
+    return self
+  end
   api.nvim_create_autocmd({ "ModeChanged" }, {
     group = self.augroup,
     pattern = { "n:v", "n:V", "n:" }, -- Entering Visual mode from Normal mode