Update pyvenv command autoload list to include pyvenv-create

This might be used before loading pyvenv, so let's include it in the autoload
list.

However, it seems pyvenv is loading its autoloads anyway, so this change might
be irrelevant.  It's still nice to have it here for documentation.

init.el

@@ -3004,7 +3004,9 @@ With given ARG, display files in `db/important-document-path’."
 ;; https://ddavis.io/posts/emacs-python-lsp/
 (use-package pyvenv
   :ensure t
-  :commands (pyvenv-workon pyvenv-activate)
+  :commands (pyvenv-workon
+             pyvenv-activate
+             pyvenv-create)
   :init (unless (getenv "WORKON_HOME")
           (setenv "WORKON_HOME" (expand-file-name "~/.pyenv/versions")))
   :config (progn