feat(video-clip): add video-clip page with video preview + logs

app/Entities/Clip/BaseClip.php

app/Entities/Clip/VideoClip.php

app/Libraries/MediaClipper/VideoClipper.php

app/Models/ClipModel.php

app/Views/Components/Alert.php

app/Views/Components/Pill.php

modules/Admin/Config/Routes.php

modules/Admin/Controllers/SchedulerController.php

modules/Admin/Controllers/VideoClipsController.php

themes/cp_admin/episode/video_clip.php

themes/cp_admin/episode/video_clips_list.php