[ADF-2054] Created a new widget to handle uploading file from Share (#2810)

* [ADF-2054] start creating custom upload widget for share integration

* [ADF-2054] changed content node selector service to allow different opening approach

* [ADF-2054] addedd support for multi resource files

* [ADF-2054] fixed base case for upload when only local files are selected

* [ADF-2054] start adding and fixing tests for new share attach button widget

* [ADF-2054] changed test to perfrom a correct check

* [ADF-2054] removed fdescribe

* [ADF-2054] added test for share-widget component

* [ADF-2054] added peer reviews changes

* [ADF-2054] created a module folder for content widgets

* [ADF-2054] fixed wrong import

* [ADF-2054] fixed rebase errors

* [ADF-2054] restored some files changed by rebase

* [ADF-2054] added link to content services to fix packaging issue

* [ADF-2054] renamed widget

lib/process-services/content-widget/index.ts

@@ -0,0 +1,18 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export * from './public-api';