add config-dir variable and change load-path to use it

settings/gui-settings.el

@@ -171,7 +171,7 @@ DISPLAY-START: `integer', e.g. 3820"
   :defer t)
 
 (use-package all-the-icons
-  :load-path "lisp/all-the-icons"
+  :load-path (lambda() (concat config-dir "lisp/all-the-icons"))
   :defer t
   :config
   (when (and (not (my-font-installed-p "all-the-icons"))
@@ -181,7 +181,7 @@ DISPLAY-START: `integer', e.g. 3820"
     ))
 
 (use-package dashboard
-  :load-path "lisp/dashboard"
+  :load-path (lambda() (concat config-dir "lisp/dashboard"))
   :delight (dashboard-mode "🅓")
   :config
   ;; because we use `use-package' include `use-package-statistics' if computed