buffer.insert_text with color?

[academo]

I'm trying to create a simple log, but I want the log to have colors.

    buffer = Buffer()  # Editable buffer.
    main_window = Window(content=BufferControl(buffer=buffer))
    status_window = Window(height=1, content=FormattedTextControl(text="Status Bar"))
    root_container = HSplit([main_window, status_window])
    layout = Layout(root_container)
    app = Application(key_bindings=kb, layout=layout, full_screen=True)
    app.run()

at some point in a thread I run buffer.insert_text which works just as expected, but I can't put any color to it. If I try ansi It gets escaped in a weird way, ANSI, HTML, format_text and other similar tools won't work.

How can I print color in a buffer?

[trevorbayless]

Related to #711