How to integrate VOBSUB subtitles (.idx,.sub) in Subs folder into MKV? angielski

Given a hypothetical folder structure like this:

<span style="color:#323232;">Star.Trek.Discovery.S04E06.German.DL.1080p.BluRay.x264-iNTENTiON/
</span><span style="color:#323232;">├── star.trek.discovery.s04e06.german.dl.1080p.bluray.x264-intention.mkv
</span><span style="color:#323232;">├── star.trek.discovery.s04e06.german.dl.1080p.bluray.x264-intention.nfo
</span><span style="color:#323232;">└── Subs
</span><span style="color:#323232;">    ├── star.trek.discovery.s04e06.german.dl.1080p.bluray.x264-intention-eng.idx
</span><span style="color:#323232;">    ├── star.trek.discovery.s04e06.german.dl.1080p.bluray.x264-intention-eng.sub
</span><span style="color:#323232;">    ├── star.trek.discovery.s04e06.german.dl.1080p.bluray.x264-intention.idx
</span><span style="color:#323232;">    └── star.trek.discovery.s04e06.german.dl.1080p.bluray.x264-intention.sub
</span><span style="color:#323232;">Star.Trek.Discovery.S04E07.German.DL.1080p.BluRay.x264-iNTENTiON/
</span><span style="color:#323232;">├── star.trek.discovery.s04e07.german.dl.1080p.bluray.x264-intention.mkv
</span><span style="color:#323232;">├── star.trek.discovery.s04e07.german.dl.1080p.bluray.x264-intention.nfo
</span><span style="color:#323232;">└── Subs
</span><span style="color:#323232;">    ├── star.trek.discovery.s04e07.german.dl.1080p.bluray.x264-intention-eng.idx
</span><span style="color:#323232;">    ├── star.trek.discovery.s04e07.german.dl.1080p.bluray.x264-intention-eng.sub
</span><span style="color:#323232;">    ├── star.trek.discovery.s04e07.german.dl.1080p.bluray.x264-intention.idx
</span><span style="color:#323232;">    └── star.trek.discovery.s04e07.german.dl.1080p.bluray.x264-intention.sub
</span><span style="color:#323232;">
</span><span style="color:#323232;">4 directories, 12 files
</span>

What’s the best way to integrate all the subtitles into the corresponding MKV file?