I'm using Vuetify 2 and avataaars.io urls to create a custom avatar builder. Please provide me with a sample code. I want all the avataaars categories ('topTypes', 'facialHairTypes', etc.) to be shown as vuetify tabs, and all the category options ('NoHair', 'Eyepatch', etc.) to be shown in each tab as image items inside the item-group components (3 items for a row). Each time the user changes an option I want the main avatar image to get updated. After avatar is build I want it to be stored in local storage and every time the app is restarted I want all the corresponding item-group elements to be preselected, according to the options of the stored avatar. Rather than using many urls, write a function that would update just one url. Also, make the option images computed, so that the user could see how each option would change the avatar