Make a simple video playback view

[ar9708]

When clicking on a video from landing page #3, a new view is opened for video playback.

• [ ] Figma mockup extended with navigating to a single video
• [x] Video should have a back button
• [x] "Video controls overlay" med ...
  • [x] Play/pause in the center
  • [x] Skip forward/back X seconds
  • [x] When at the end of the video, replace Pause with a "Replay" button
  • [x] Scrubber/scrub bar ← if possible, short research
  • [x] Can we standardize look and feel of video audio contols (or just mute/unmute)
• [x] Use same video source for every video, https://tube.rebellion.global/w/hNa2eoCT2o11268m2yV5CY