v1.4.1

What's Changed

• preworkshop_edits by @Shmuel-columbia in #79
  • simplify tab names
  • select existing videos in frame extraction tab
  • add timers for "training complete"/"extraction complete" messages
• only allow training or inference when tab is idle
• update LP version
• update label studio xml with more hotkeys
• update docs

Full Changelog: v1.4.0...v1.4.1