[Feature] Text is a Geom and can be returned by scenarios

[matteobettini]

@Zartris

 def extra_render(self, env_index: int = 0) -> "List[Geom]":
        from vmas.simulator import rendering

        text_line = rendering.TextLine(
            y=300,
            text="ciaooo",
        )

        return [text_line]

[matteobettini]

@Acciorocketships hope you are happy

[Zartris]

I see, that will also do.