Update links in Pages settings

Updates the links in the Pages settings page to
point to the Pages documentation and to the sample
projects, as well as the CI templates for Pages.

app/views/projects/pages/_use.html.haml

@@ -4,7 +4,10 @@
       = s_('GitLabPages|Configure pages')
     .card-body
       %p.gl-mb-0
-        - link_start = "<a href='#{help_page_path('user/project/pages/index.md')}' target='_blank' rel='noopener noreferrer'>".html_safe
-        - link_end = '</a>'.html_safe
-        = s_('GitLabPages|Learn how to upload your static site and have it served by GitLab by following the %{link_start}documentation on GitLab Pages%{link_end}.').html_safe % { link_start: link_start,
-            link_end: link_end }
+        - docs_link_start = "<a href='#{help_page_path('user/project/pages/index.md')}' target='_blank' rel='noopener noreferrer'>".html_safe
+        - docs_link_end = '</a>'.html_safe
+        - samples_link_start = "<a href='https://gitlab.com/pages' target='_blank' rel='noopener noreferrer'>".html_safe
+        - samples_link_end = '</a>'.html_safe
+        - templates_link_start = "<a href='https://gitlab.com/gitlab-org/project-templates' target='_blank' rel='noopener noreferrer'>".html_safe
+        - templates_link_end = '</a>'.html_safe
+        = s_('GitLabPages|See the %{docs_link_start}GitLab Pages documentation%{docs_link_end} to learn how to upload your static site and have it served by GitLab. You can also follow a %{samples_link_start}sample project%{samples_link_end} or use a %{templates_link_start}GitLab CI template%{templates_link_end}.').html_safe % { docs_link_start: docs_link_start, docs_link_end: docs_link_end, samples_link_start: samples_link_start, samples_link_end: samples_link_end, templates_link_start: templates_link_start, templates_link_end: templates_link_end }