refactor: doerg는 publisher와 결합

test/net/deertopia/doerg/roam-test/404.org

@@ -0,0 +1,23 @@
+:PROPERTIES:
+:ID:       3c60c74e-f533-43ad-89b3-563975bf80f2
+:DeertopiaVisibility: public
+:END:
+#+title: page not found
+
+the page you're looking for doesn't exist, or you lack the permissions necessary to view it........
+
+#+attr_doerg: :center? true :alt "A doe sitting and sobbing" :scale 1.4
+#+begin_example
+  \{ /    \ }/
+   \/ .  . \/
+ .. \Y`  `Y/ ..
+ \ `\|~==~|/' /
+  '". T T  ."`
+     {`^' }
+      |  |
+     /</3 \
+    ||    ||
+    _| || |_
+.,_) ) || ( (_,.
+|__  /_||_\  __|
+#+end_example