Description

Add the append upload mode to expedite the process and make full use of resources.

Related Issues

fix #107

Changes Proposed

• Split the video into segment actively.
• When upload the video, check whether it has been uploaded. If not, generate the template and upload, otherwise append it to the first video id.
• ...

Who Can Review?

@timerring

Checklist

• Code has been reviewed
• Code complies with the project's code standards and best practices
• Code has passed all tests
• Code does not affect the normal use of existing features
• Code has been commented properly
• Documentation has been updated (if applicable)
• Demo/checkpoint has been attached (if applicable)