fix: do not use a renderer if output is not a tty

the renderer will send sequences to clear screen, hide/show mouse, etc,
which will not work if output is not a tty.

fixes #198
fixes #86

Signed-off-by: Carlos Alexandro Becker <caarlos0@users.noreply.github.com>

main.go

@@ -86,7 +86,7 @@ var (
 			}
 
 			if !isInputTTY() {
-				opts = append(opts, tea.WithInput(nil))
+				opts = append(opts, tea.WithInput(nil), tea.WithoutRenderer())
 			}
 
 			if isNoArgs() && isInputTTY() {