Add admin dashboard, event reporting, moderation report screens, moderation log

Close #156 and #158

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/application.ex

@@ -54,6 +54,21 @@ defmodule Mobilizon.Application do
         ],
         id: :cache_ics
       ),
+      worker(
+        Cachex,
+        [
+          :statistics,
+          [
+            limit: 10,
+            expiration:
+              expiration(
+                default: :timer.minutes(60),
+                interval: :timer.seconds(60)
+              )
+          ]
+        ],
+        id: :cache_statistics
+      ),
       worker(
         Cachex,
         [