Add documentation links to error messages

Linking to two places in the documentation from the two
connection checks we have for storages.

modules/storages/app/components/storages/admin/side_panel/health_status_component.html.erb

@@ -77,6 +77,13 @@ See COPYRIGHT and LICENSE files for more details.
                 formatted_health_reason
               end
             end
+
+            health_status_container.with_row(mt: 2) do
+              render(Primer::Beta::Link.new(href: "https://www.openproject.org/docs/system-admin-guide/files/external-file-storages/health-status/#file-storage-errors-description")) do |link|
+                link.with_trailing_visual_icon(icon: 'link-external')
+                I18n.t("storages.health.ampf_docs_link")
+              end
+            end
           end
         end
       end

modules/storages/app/components/storages/admin/side_panel/validation_result_component.html.erb

@@ -46,7 +46,15 @@ See COPYRIGHT and LICENSE files for more details.
       end
 
       if @result.description.present?
-        prefix = @result.error_code? ? "#{@result.error_code.upcase}: " : ""
+        prefix = if @result.error_code?
+          link_to(
+            @result.error_code.upcase,
+            "https://www.openproject.org/docs/system-admin-guide/files/external-file-storages/health-status/#connection-validation",
+            target: "_blank"
+          ) + ": "
+        else
+          ""
+        end
 
         container.with_row(mt: 2) do
           render(Primer::Beta::Text.new(color: :muted, test_selector: "validation-result--description")) do

modules/storages/config/locales/en.yml

@@ -208,6 +208,7 @@ en:
       redirect_uri: Redirect URI
       storage_provider: Storage provider
     health:
+      ampf_docs_link: See error documentation
       checked: Last checked %{datetime}
       connection_validation:
         action: Recheck connection