Create an iOS app using SwiftUI/Swift that have the following features:
- When the first time users open up the app, it shows a selector of menu and ask how many words the users want to learn per day.
- Based on the selection, you should ask OpenAI to generate vocabularies that korean people would use daily in conversations, Kpop star uses etc.
- The main page looks similar to the image provided, where you show the vocabulary, and the translation and meaning of it in either English or Chinese Traditional (Depending on user's phone settings). Don't forget to add a setting menu so that user can adjut the number of words they want to learn per day.
- Also add an indicator to show how many words they haven't read.
- Please include cute animations where possible
- When designing the front end, refer to the image provided and come up with the best possible UI/UX and best practices | A shadcn/ui and v0 generation - v0