Add managed-groups basic route to admin. Wrap all in a feature flag

addons/core/translations/resources/en-us.yaml

@@ -351,3 +351,6 @@ scope:
   title_plural: Scopes
   messages:
     cannot_read: While you do not have permission to read this scope, you may have permission to view resources within it.
+managed-group:
+  title: Managed Group
+  title_plural: Managed Groups

ui/admin/app/router.js

@@ -55,6 +55,7 @@ Router.map(function () {
             });
             this.route('new');
           });
+          this.route('managed-groups');
         });
         this.route('new');
       });

ui/admin/app/routes/scopes/scope/auth-methods/auth-method/managed-groups.js

@@ -0,0 +1,3 @@
+import Route from '@ember/routing/route';
+
+export default class ScopesScopeAuthMethodsAuthMethodManagedGroupsRoute extends Route {}

ui/admin/app/templates/scopes/scope/auth-methods/auth-method/-navigation.hbs

@@ -8,4 +8,10 @@
       {{t 'resources.account.title_plural'}}
     </nav.link>
   {{/if}}
+
+  {{#if (feature-flag 'managed-groups')}}
+    <nav.link @route='scopes.scope.auth-methods.auth-method.managed-groups'>
+      {{t 'resources.managed-group.title_plural'}}
+    </nav.link>
+  {{/if}}
 </Rose::Nav::Tabs>

ui/admin/app/templates/scopes/scope/auth-methods/auth-method/managed-groups.hbs

@@ -0,0 +1,3 @@
+{{page-title (t 'resources.managed-group.title_plural')}}
+
+{{outlet}}

ui/admin/config/environment.js

@@ -96,6 +96,7 @@ module.exports = function (environment) {
       filter: false,
       capabilities: true,
       'credential-store': true,
+      'managed-groups': false,
     },
   };
 
@@ -133,6 +134,7 @@ module.exports = function (environment) {
     // Enable features in development
     ENV.featureFlags['capabilities'] = true;
     ENV.featureFlags['filter'] = true;
+    ENV.featureFlags['managed-groups'] = true;
   }
 
   if (environment === 'test') {
@@ -159,6 +161,7 @@ module.exports = function (environment) {
     // Enable tests for development features
     ENV.featureFlags['capabilities'] = true;
     ENV.featureFlags['filter'] = true;
+    ENV.featureFlags['managed-groups'] = true;
   }
 
   if (environment === 'production') {

ui/admin/tests/unit/routes/scopes/scope/auth-methods/auth-method/managed-groups-test.js

@@ -0,0 +1,16 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module(
+  'Unit | Route | scopes/scope/auth-methods/auth-method/managed-groups',
+  function (hooks) {
+    setupTest(hooks);
+
+    test('it exists', function (assert) {
+      let route = this.owner.lookup(
+        'route:scopes/scope/auth-methods/auth-method/managed-groups'
+      );
+      assert.ok(route);
+    });
+  }
+);