Shopping List App where : A User should register with email or phone number. A User can create lists. A list could be shared with other registered users. List items can be (added, removed, edited )by users who are sharing the list. List Items could be added by typing the name -ex: milk- List Items could be added by typing the brand name -ex: nestle- Then a dropdown list of all Nestle products will show up to choose from then if the user continues typing -ex: milk- then the dropdown list will be filtered with items starting with nestle milk etc. The app should be working on IOS and Android