Add email service and settings

app/views/shared/_admin_sidenav_settings_services.html.erb

@@ -19,6 +19,13 @@
   text_icon: Setting.droneci_enabled? ? "◉" : "○",
   active: current_page?(admin_settings_services_path(params: { s: "droneci" })),
 ) %>
+<%= render SidenavLinkComponent.new(
+  level: 2,
+  name: "E-Mail",
+  path: admin_settings_services_path(params: { s: "email" }),
+  text_icon: Setting.email_enabled? ? "◉" : "○",
+  active: current_page?(admin_settings_services_path(params: { s: "email" })),
+) %>
 <%= render SidenavLinkComponent.new(
   level: 2,
   name: "ejabberd",

app/views/shared/_sidenav_settings.html.erb

@@ -12,13 +12,21 @@
   active: @settings_section.to_s == "xmpp"
 ) %>
 <% end %>
+<% if Setting.email_enabled? &&
+      Flipper.enabled?(:email, current_user) %>
+<%= render SidenavLinkComponent.new(
+  name: "E-Mail", path: setting_path(:email), icon: "mail",
+  active: @settings_section.to_s == "email"
+) %>
+<% end %>
 <% if Setting.lndhub_enabled %>
 <%= render SidenavLinkComponent.new(
   name: "Lightning", path: setting_path(:lightning), icon: "zap",
   active: @settings_section.to_s == "lightning"
 ) %>
 <% end %>
-<% if Setting.remotestorage_enabled %>
+<% if Setting.remotestorage_enabled? &&
+      Flipper.enabled?(:remotestorage, current_user) %>
 <%= render SidenavLinkComponent.new(
   name: "Storage", path: setting_path(:remotestorage), icon: "remotestorage",
   active: @settings_section.to_s == "remotestorage"