[Folders] Create user interface for folders

[egekorkan]

from Readme.md:

(o) Folders: Create user interface for folders

[egekorkan]

@neniman Could you specify what was meant by this issue? There is already a folder structure

[eileenoo]

@neniman Could you specify what was meant by this issue? There is already a folder structure

Atm when clicking a folder, the UI only shows a label and nothing else. So this tickets includes the following tasks:

• Setup a design for folders (e.g. include the Folder name, a description, and the content of the folder.. e.g. a list of TDs / mashups / other folders)
• Implement it