Redesign of video page

I'm back redesigning the video page! Some days ago I made a lot of changes that you can see here https://gitduck.com/watch/5dcd082fc2a0cf7fdb7107dd and today I applied other improvements.

• Chat is now below the video in the right column with the description of the video.
• Code linking is more minimalist. Hover to see more info.
• Mobile version didn't change.

That's the evolution