Display EXT-X-DATERANGE metadata

[birme]

Add support to display EXT-X-DATERANGE metadata that is added by Eyevinn Channel Engine. Use this information to present a "what's on now" for the viewer.

[birme]

Example stream (with ads replaced): https://92afaa4d093f4ca58b7c73e1622a9715.mediatailor.eu-west-1.amazonaws.com/v1/master/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/master.m3u8
Example stream (before ads replaced): https://demo.vc.eyevinn.technology/channels/eyevinn/master.m3u8

[birme]

Example manifest from MediaTailor:

#EXTM3U
#EXT-X-VERSION:6
#EXT-X-TARGETDURATION:12
#EXT-X-MEDIA-SEQUENCE:57416
#EXT-X-DISCONTINUITY-SEQUENCE:1
#EXT-X-INDEPENDENT-SEGMENTS
#EXTINF:12.0,
https://lab.cdn.eyevinn.technology/OWL_MVP_2021.mp4/manifest_3_00011.ts
#EXT-X-DISCONTINUITY
#EXT-X-DATERANGE:ID="66012e17-c1b6-428d-9489-93df4c982b14",START-DATE="2021-11-15T22:33:44.052Z",X-SCHEDULE-END="2021-11-15T22:36:48.052Z",X-TITLE="BAAHUBALI_3_Trailer_2021",X-CHANNELID="eyevinn",CLASS="se.eyevinn.schedule"
#EXT-X-PROGRAM-DATE-TIME:2021-11-15T22:33:44.052Z
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57417
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57418
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57419
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57420
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57421
#EXT-X-DISCONTINUITY
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57422
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57423
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57424
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57425
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57426
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57427
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57428
#EXTINF:1.067,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57429
#EXT-X-DISCONTINUITY
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57430
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57431
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57432
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57433
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57434
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57435
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57436
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57437
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57438
#EXTINF:2.0,
../../../../segment/1b8a07d9a44fe90e52d5698704c72270d177ae74/Demo/fa3fadef-f7c3-43e5-b8d0-efcb7853ccb6/2/57439

[slowmove]

Might use this package to expose it https://github.com/Eyevinn/video-daterange-monitor