Implement basic operations on FileEntry and Folder

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.0.X, 7.1.X, 7.2.X, Master
• Component/s: None
• Labels: None
• Branch Version/s:
  7.2.x, 7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Sprint: 01_The Phamton, 02_Superman
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal-ee/pull/18195

Implement the most basic set of functionality: creating, deleting and updating file entries and folders.