Chatbot U I - Copy this React, Tailwind Component to your project

나는-기본적으로-챗봇-UI가-필요함---화면-상단에-navbar가-있어야-함---그-밑에는-채팅화면이-있어야함---채팅창에-처음-진입-했을-때는-화면-width,-height-방향으로-정-중앙에-"무엇을-도와드릴까요?"-문구가-있고-그-아래는-채팅입력창이-있어야함.---채팅입력창에-입력을-하고-나면-중앙에-있던-채팅창은-바닥에-붙고-정-중앙에-있던-문구는-사라지면서-일반적인-채팅-UI로-전환해야함.---채팅창은-textarea로-되어있고-초기에는-문장-한-줄만-들어가는-높이지만-3줄까지는-채팅창-화면이-늘어나야하고-4줄부터는-더이상-늘어나지-않고-스크롤이-생기게-해야함