added basic list item
unsuccessful attempt at using channel container
removed channel container and integrated with youtbube service application
basic settings panel
setting controller and remove channels feature
videos refresh works
finished delete channels feature and added empty text data
added few channels
added sort logic
basic youtube logon functionality
added global cache for access token and stuff, added apis to fetch playlist and adding to favorites
completed add to favorites functionality with Add button
basic form panel to add channels in settings
refactored channel add functionality to controller
added styling for youtube login link
added functionality to validate channel name, id
videos refresh when new channel is added