[emacs] Add matrix client and sticky org agendas

emacs/.doom.d/config.el

@@ -125,6 +125,7 @@
         org-agenda-files (file-expand-wildcards "~/var/org/2020-*")
         org-pretty-entities t
         org-agenda-dim-blocked-tasks nil
+        org-agenda-sticky t
         org-log-done 'time
         org-hide-emphasis-markers t
         org-fontify-whole-heading-line t
@@ -269,6 +270,7 @@
       (:prefix "="
         :desc "Open mastodon"                "=" #'mastodon
         :desc "Update Mastodon timeline"     "u" #'mastodon-tl--update
+        :desc "More Mastodon timeline"       "m" #'mastodon-tl--more
         :desc "Toot to Mastodon"             "t" #'mastodon-toot))
 
 (use-package! slack