[COMPLIANCE] Add Copyright and License Headers (#2242)

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

addons/api/addon/handlers/indexed-db-handler.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 import { modelIndexes } from 'api/services/indexed-db';
 import { inject as service } from '@ember/service';
 import { getOwner, setOwner } from '@ember/application';

addons/api/addon/services/indexed-db.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 import Service from '@ember/service';
 import Dexie from 'dexie';
 import { typeOf } from '@ember/utils';

addons/api/addon/utils/hash-code.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 /**
  * Takes an object and gets the JSON stringified version of it to be converted
  * to a hash code. Taken from https://stackoverflow.com/a/8076436

addons/api/addon/utils/paginate-results.js

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 /**
  * Takes an array and the current page and pagesize to calculate the correct
  * number of results to return to the caller.