Add app/components/ to frontend category in danger files

spec/tooling/danger/project_helper_spec.rb

@@ -65,6 +65,11 @@
       'config/foo.js'                    | [:frontend]
       'config/deep/foo.js'               | [:frontend]
 
+      'app/components/pajamas/empty_state_component.html.haml'    | [:frontend, :backend]
+      'ee/app/components/pajamas/empty_state_component.html.haml' | [:frontend, :backend]
+      'app/components/diffs/overflow_warning_component.html.haml' | [:frontend, :backend]
+      'app/components/layouts/horizontal_section_component.rb'    | [:frontend, :backend]
+
       'ee/app/assets/foo'                | [:frontend]
       'ee/app/views/foo'                 | [:frontend, :backend]
       'ee/spec/frontend/bar'             | [:frontend]

tooling/danger/project_helper.rb

@@ -70,6 +70,7 @@ module ProjectHelper
         %r{\A((ee|jh)/)?app/assets/} => :frontend,
         %r{\A((ee|jh)/)?app/views/.*\.svg} => :frontend,
         %r{\A((ee|jh)/)?app/views/} => [:frontend, :backend],
+        %r{\A((ee|jh)/)?app/components/} => [:frontend, :backend],
         %r{\A((ee|jh)/)?public/} => :frontend,
         %r{\A((ee|jh)/)?spec/(javascripts|frontend|frontend_integration)/} => :frontend,
         %r{\A((ee|jh)/)?spec/contracts/consumer} => :frontend,