[COMPLIANCE] Add Copyright and License Headers (#3183)

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

Author: hashicorp-copywrite[bot]

packages/components/src/components/hds/advanced-table/th-reorder-drop-target.hbs

@@ -1,3 +1,8 @@
+{{!
+  Copyright (c) HashiCorp, Inc.
+  SPDX-License-Identifier: MPL-2.0
+}}
+
 <div
   class={{this.classNames}}
   aria-hidden="true"

packages/components/src/components/hds/advanced-table/th-reorder-handle.hbs

@@ -1,3 +1,8 @@
+{{!
+  Copyright (c) HashiCorp, Inc.
+  SPDX-License-Identifier: MPL-2.0
+}}
+
 {{! template-lint-disable no-unsupported-role-attributes require-presentational-children }}
 <div
   role="button"

packages/components/src/components/hds/advanced-table/utils.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 import { buildWaiter } from '@ember/test-waiters';
 
 const waiter = buildWaiter('raf-waiter');

showcase/app/components/page-components/copy/button/sub-sections/base-elements.gts

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

showcase/app/components/page-components/copy/button/sub-sections/demos.gts

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