refactor: doerg는 publisher와 결합

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

@@ -0,0 +1,22 @@
+:PROPERTIES:
+:ID:       897bfc9d-94ce-4c58-8d21-93f13372b17b
+:END:
+#+title: Monomorphisms and epimorphisms
+
+In [[id:90f23e03-f746-42cb-862f-1af2d4bde3cc][category theory]], *monomorphisms* and *epimorphisms* are types of cancellative morphisms generalising injective and surjective functions, respectively.[fn:1]
+
+\begin{tikzcd}
+% https://q.uiver.app/#q=WzAsNixbMCwwLCJYIl0sWzEsMCwiWSJdLFsyLDAsIloiXSxbMSwxLCJZIl0sWzIsMSwiWiJdLFswLDEsIlgiXSxbMCwxLCJnXzEiLDAseyJvZmZzZXQiOi0yfV0sWzAsMSwiZ18yIiwyLHsib2Zmc2V0IjoyfV0sWzEsMiwiZiIsMl0sWzMsNCwiZ18xIiwwLHsib2Zmc2V0IjotMn1dLFszLDQsImdfMiIsMix7Im9mZnNldCI6Mn1dLFs1LDMsImYiLDJdXQ==
+	X & Y & Z \\
+	X & Y & Z
+	\arrow["{g_1}", shift left=2, from=1-1, to=1-2]
+	\arrow["{g_2}"', shift right=2, from=1-1, to=1-2]
+	\arrow["f"', from=1-2, to=1-3]
+	\arrow["f"', from=2-1, to=2-2]
+	\arrow["{g_1}", shift left=2, from=2-2, to=2-3]
+	\arrow["{g_2}"', shift right=2, from=2-2, to=2-3]
+\end{tikzcd}
+
+* Footnotes
+
+[fn:1] blahahahahah blah blah