[COMPLIANCE] Add Copyright and License Headers (#2094)

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
Co-authored-by: Carlos Alcaide Corvo <ccorvo@hashicorp.com>

ui/admin/app/components/form/policy/policy-selection/index.hbs

@@ -1,3 +1,8 @@
+{{!
+  Copyright (c) HashiCorp, Inc.
+  SPDX-License-Identifier: MPL-2.0
+}}
+
 <Hds::Form::Fieldset @isRequired={{true}} class='policy' as |F|>
 
   <F.Legend>{{t (concat 'resources.policy.form.' @name '.label')}}</F.Legend>

ui/admin/app/components/form/policy/policy-selection/index.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 import Component from '@glimmer/component';
 import { action } from '@ember/object';