fix(gs/emacs): Add org files to agenda recursively

Apparently just putting the directory in there only sees top-level
files, rather than descending a directory.

Change-Id: If9febb37f59754bcfe442fb413df475d83e0193f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/949
Tested-by: BuildkiteCI
Reviewed-by: glittershark <grfn@gws.fyi>

users/glittershark/emacs.d/org-config.el

@@ -9,7 +9,8 @@
  +org-dir (expand-file-name "~/notes")
  org-default-notes-file (concat org-directory "/inbox.org")
  +org-default-todo-file (concat org-directory "/inbox.org")
- org-agenda-files (list org-directory)
+ org-agenda-files (directory-files-recursively
+                   "~/notes" "\\.org$")
  org-refile-targets '((org-agenda-files :maxlevel . 3))
  org-outline-path-complete-in-steps nil
  org-refile-use-outline-path t