[AAE 6360] Storybook brand with Alfresco (#7363)

* [AAE-6360] added config and logo files to process cloud and stories lib

* [AAE-6360] fixed build by adding unimplemented methods in form cloud mock service

* [AAE-6360] added config files for core and content services

* [AAE-6360] fixed bimport to correct build content-services storybook

.storybook/alfrescoTheme.js

@@ -0,0 +1,8 @@
+import { create } from '@storybook/theming';
+
+export default create({
+  base: 'light',
+  brandTitle: 'Hyland | Alfresco Storybook App',
+  brandUrl: 'https://www.alfresco.com/',
+  brandImage: '/assets/storybook-logo.png',
+});