[COMPLIANCE] Add Copyright and License Headers (#2277)

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
Co-authored-by: Cameron Perera <cameron.perera@hashicorp.com>

ui/admin/app/controllers/scopes/scope/auth-methods/auth-method/index.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 import Controller, { inject as controller } from '@ember/controller';
 
 export default class ScopesScopeAuthMethodsAuthMethodIndexController extends Controller {