No need to even upload, you can store any script you create on the your headset, and when you stream the video it will play. Just name it with the video id number.
From the first pinned post on the forum:
For Streaming Video and Local Script playback
Rename the script file to match ONLY the video ID (For Example = 15479.funscript for the Hard Sell video)
Place the script file into “Interactive” folder in either = the root directory on Android devices OR in the root directory of Quest onboard storage OR the “Documents” folder on Windows
Stream the video in DeoVR app.