Remotion to invideo

Read /invideo first.

1. Render the composition to MP4 at the size and frame rate of the final video.
2. Upload it (/invideo-media). Look at it.
3. Edit it as footage: cuts, captions, music and voice. Check the video, then export.

The hand-off in full, with the calls and the fixes: https://docs.invideo.io/integrations/remotion (markdown: add .md).