selectrum: consult-recent-files now works on startup

consult doesn't turn on refentf-mode by itself, you need to do it
manually.
It works, but is very slow on first try.

modules/completion/selectrum/TODO.org

@@ -1,5 +1,8 @@
 * PROJ List of things not working
-** TODO Start-up with recent files
+** TODO Functions very slow on startup:
+- =consult-recent-files=
+- =consult-bookmark=
+Probably due to live preview, but gets much faster on subsequent calls.
 ** TODO Add vanilla keybindings
 *** TODO Add keybinding for embark-act
 * PROJ List of things needed for Ivy parity

modules/completion/selectrum/config.el

@@ -72,6 +72,7 @@
     [remap switch-to-buffer-other-frame]  #'consult-buffer-other-frame
     [remap yank-pop]                      #'consult-yank-pop)
   :config
+  (recentf-mode)
   (setq consult-project-root-function #'doom-project-root)
   (setq completion-in-region-function #'consult-completion-in-region)
   (setq consult-narrow-key "<")