[MOD] Carve the way to XMPP rich replies

Bifrost could *never*!

src/Events.c

@@ -114,3 +114,18 @@ MatrixCreateMedia(char *mxc, char *body, char *mime)
 
     return map;
 }
+
+char *
+MatrixGetReply(HashMap *event)
+{
+    if (!event)
+    {
+        return NULL;
+    }
+
+    return StrDuplicate(JsonValueAsString(
+            JsonGet(event, 4, "content",
+                "m.relates_to", "m.in_reply_to",
+                "event_id")
+    ));
+}