Update the admin panel to show brief contents.

src/main/blog/handlers.cljs

@@ -26,7 +26,7 @@
           id (.-id (.-params req))]
       (go
         (try
-          (let [articles (<! (db/get-articles client channel))]
+          (let [articles (<! (db/get-articles-briefly client channel))]
             (res/status 200)
             (.render res "admin_panel"
                      (-> {:articles articles}