Added shortcuts help, i18n

app/views/help/_shortcuts.html.haml

@@ -179,6 +179,12 @@
                     %kbd e
                   %td
                     Go to environments
+                %tr
+                  %td.shortcut
+                    %kbd g
+                    %kbd l
+                  %td
+                    Go to metrics
                 %tr
                   %td.shortcut
                     %kbd g

app/views/layouts/nav/sidebar/_project.html.haml

@@ -211,12 +211,12 @@
 
             - if project_nav_tab? :environments
               = nav_link(controller: :environments, action: [:metrics, :metrics_redirect]) do
-                = link_to metrics_project_environments_path(@project), title: 'Metrics', class: 'shortcuts-metrics' do
+                = link_to metrics_project_environments_path(@project), title: _('Metrics'), class: 'shortcuts-metrics' do
                   %span
                     = _('Metrics')
 
               = nav_link(controller: :environments, action: [:index, :folder, :show, :new, :edit, :create, :update, :stop, :terminal]) do
-                = link_to project_environments_path(@project), title: 'Environments', class: 'shortcuts-environments' do
+                = link_to project_environments_path(@project), title: _('Environments'), class: 'shortcuts-environments' do
                   %span
                     = _('Environments')
 

app/views/projects/environments/empty.html.haml

-- page_title "Metrics"
+- page_title _("Metrics")
 
 .row
   .col-sm-12
@@ -11,4 +11,4 @@
     .state-description
       = s_('Metrics|Check out the CI/CD documentation on deploying to an environment')
     .prepend-top-10
-      = link_to "Learn about environments", help_page_path('ci/environments'), class: 'btn btn-success'
+      = link_to s_("Metrics|Learn about environments"), help_page_path('ci/environments'), class: 'btn btn-success'