feat: Disable member list via configuration (#990)

app/views/admin/configs/_tab_others.html.haml

@@ -4,5 +4,6 @@
 = config_input form, :distribution_strategy, as: :select, collection: distribution_strategy_options,
   include_blank: false, input_html: {class: 'input-xxlarge'}, label_method: ->(s){ t("config.keys.distribution_strategy_options.#{s}") }
 = config_input form, :disable_invite, as: :boolean
+= config_input form, :disable_members_overview, as: :boolean
 = config_input form, :help_url, as: :url, input_html: {class: 'input-xlarge'}
 = config_input form, :webstats_tracking_code, as: :text, input_html: {class: 'input-xxlarge', rows: 3}

app/views/home/_start_nav.haml

@@ -2,7 +2,8 @@
   %h3= t '.title'
   %ul.nav.nav-list
     %li.nav-header= t '.foodcoop'
-    %li= link_to t('.members'), foodcoop_users_path
+    - unless FoodsoftConfig[:disable_members_overview]
+      %li= link_to t('.members'), foodcoop_users_path
     %li= link_to t('.tasks'), user_tasks_path
 
     - has_ordergroup = !@current_user.ordergroup.nil?