quick hack fix for unresponsive page

as mentioned in #34 some of the solutions take too much time to load, so
limit it to 1000 solutions before a more appropriate lazy pagination
solution is implemented

src/app/solution.cljs

@@ -13,7 +13,7 @@
         data (fetch/get (solutions-url id))]
     (-> data
         (.then (fn [resp]
-                 (reset! solutions (js->clj (:body resp))))))))
+                 (reset! solutions (take 1000 (js->clj (:body resp)))))))))
 
 (defn list-view [{:keys [path-params]}]
   (let [id (js/parseInt (:id path-params))]