Added filter in account moderation to for spam

• Added:
- filter in account moderation to for spam

app/views/admin/accounts/index.html.haml

@@ -8,6 +8,13 @@
       %li= filter_link_to t('admin.accounts.moderation.active'), silenced: nil, suspended: nil, pending: nil
       %li= filter_link_to t('admin.accounts.moderation.silenced'), silenced: '1', suspended: nil, pending: nil
       %li= filter_link_to t('admin.accounts.moderation.suspended'), suspended: '1', silenced: nil, pending: nil
+  
+  .filter-subset
+    %strong Permissions
+    %ul
+      %li= filter_link_to "All", spam: nil
+      %li= filter_link_to "Spam", spam: '1'
+
   .filter-subset
     %strong= t('admin.accounts.role')
     %ul