(fix): ensure that directory exists before capturing to dir (#476)

Co-authored-by: Jethro Kuan <jethrokuan95@gmail.com>

org-roam-capture.el

@@ -218,6 +218,7 @@ the file if the original value of :no-save is not t and
          (org-template (org-capture-get :template))
          (roam-template (concat roam-head org-template)))
     (unless (file-exists-p file-path)
+      (make-directory (file-name-directory file-path) t)
       (org-roam-capture--put :orig-no-save (org-capture-get :no-save)
                              :new-file t)
       (org-capture-put :template