Update video page

• Change video title
• Add a calendar widget on video page
• Add CTA button on video page
• Tag video for easy organization
• Edit video subtitles
• Add images on your video
• Add gifs and stickers on your video
• Preview video page as a viewer
• Re-record video
• Re-record video template
• Download video
• Download video template
• Download CSV of generated videos
• Duplicate video
• Duplicate video template
• Flip video horizontally
• Delete video