Encrypt and change location of org-gcal-token-file

* Move `org-gcal-token-file` to `doom-cache-dir`
* Encrypt `org-gcal-token-file` using GPG
* If old file exists, move it to new location with encryption

modules/app/calendar/config.el

@@ -42,10 +42,12 @@
              org-gcal-fetch
              org-gcal-post-at-point
              org-gcal-delete-at-point)
+  :init
+  (defvar org-gcal-dir (concat doom-cache-dir "org-gcal/"))
+  (defvar org-gcal-token-file (concat org-gcal-dir "token.gpg"))
   :config
   ;; hack to avoid the deferred.el error
   (defun org-gcal--notify (title mes)
     (message "org-gcal::%s - %s" title mes)))
 
-
 ;; (use-package! alert)