Indexing of collected videos within reprostim collection

[yarikoptic]

ATM we are collecting captured videos encoding timestamps in the filename and nearby .log, e.g.

❯ pwd
/home/yoh/proj/repronim/reprostim-reproiner/Videos/2024/10
❯ ls | head
2024.10.01-07.56.48.639--2024.10.01-10.57.51.891.mkv
2024.10.01-07.56.48.639--2024.10.01-10.57.51.891.mkv.duct_info.json
2024.10.01-07.56.48.639--2024.10.01-10.57.51.891.mkv.duct_usage.json@
2024.10.01-07.56.48.639--2024.10.01-10.57.51.891.mkv.log

we should establish the index, where for each video we have a single record with timing information and, if extracted, information about QR codes detected in the video. So pretty much what @vmdocua already has in *qrinfo.jsonl file for the summary, but then with QR codes embedded inside for the record (strip away video_ prefix which is omni present anyways in this type of record) -- videos_index.jsonl

{
  "video_full_path": "Videos/2024/10/2024.10.04-09.36.21.256--2024.10.04-09.41.26.388.mkv",
  "video_file_name": "2024.10.04-09.36.21.256--2024.10.04-09.41.26.388.mkv",
  "video_isotime_start": "2024-10-04T09:36:21.256000",
  "video_isotime_end": "2024-10-04T09:41:26.388000",
  "video_duration": 304.85,
  "video_frame_width": 1920,
  "video_frame_height": 1080,
  "video_frame_rate": 60.0,
  "video_frame_count": 18291
}

Should be sorted by isotime_start.

This is purely on information about video. It could be further enhanced with information about QR codes detected in each video but likely we better store it in yet another file -- qrcodes_index.jsonl where common index would be on the file_name in the records:

{ 
   "filename": "2024.10.04-09.36.21.256--2024.10.04-09.41.26.388.mkv",
   "qr_codes": [ ... ],
   "qr_count": 16
}

Similarly we would be establishing index of DICOMs ... TODO: finish up