WIP: working on adding inputbox and wrapping the messages in a viewport

ui/app/app.go

@@ -59,6 +59,7 @@ func initialUiState() UI {
 
 	return UI{
 		login:        login.NewLogin(),
+		mainScreen:   mainscreen.NewMainScreen(),
 		windowWidth:  width,
 		windowHeight: height,
 	}
@@ -100,6 +101,9 @@ func (s State) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			Width(msg.Width).
 			Height(msg.Height)
 
+		s.ui.mainScreen.Viewport.Width = msg.Width
+		s.ui.mainScreen.Viewport.Height = msg.Height - mainscreen.InputBoxHeight
+
 		return s, nil
 	case login.ConnectingMsg:
 		host := s.ui.login.Inputs[0].Value()