38cc05c22d
* feat(mjpeg): add keyframe caching with expiration and cleanup goroutine * mjpeg: make keyframe cache duration and default usage configurable * mjpeg: document and add config options for MJPEG snapshot caching * mjpeg: fix errors after rebase * Code refactoring for frame.jpeg cache #1155 --------- Co-authored-by: Alex X <alexey.khit@gmail.com>