Implement Folder -> List Tags

[cyclops1982]

List all tags in name/value pair for a given folder.

Input values:

• FolderId (the folder id of the tags you want to get)

Output values:

• A list of:
  • Folder Id (text)
  • Name (text)
  • Value (text)

Input validation:
If the folder is not found, then then provide the following error message: "Folder '{Id}' not found."
If the folder has no tags, an empty list is returned (Count = 0)