You don't need a video, you just need to do it. Think back to how your great grandparents grew roses or tulips. They usually got a cup of water, went out to the garden, cut of branches to their favorite flowers, and put them in a jar inside on a southern windowsill. If you have a fancy grow light or a hut, you're on easy street.
I bet you already know how to do this. If you've ever bought your gf or wife a bouquet of roses and watched them try and keep them alive, then you seen this happen IRL. First thing you do is cut at a 45* angle and use room temperature water. You then change that water out every 24 hours and mist them several times a day. That's it!
If you want to make it easier to transplant into a garden, you can go ahead and add *sterilized* potting mix, now. Ideally the potting mix should be formulated for seed germination. As for containers you can use just about anything. I happen to go to the gas station a lot and buy 44oz drinks from the soda fountain machine. They're insulated foam and come with tinted lids. I also use paper towel rolls. I cut them in half, fill them with Miracle Grow Seed Starting Mix, seal the bottom with aluminum foil, poke tiny holes with a toothpick for drainage and walla. I got biodegradable seed starting pots. In two weeks or when the roots are about five inches long, I take them into the garden and plant as-is.
It's basic gardening. Super easy stuff. Five year old kids do this all the time at camp and in elementary school. The "secret" if there is one is just to remember that they don't have roots. So mist them often. If you can't mist them, use a dome. Just watch out for mold because domes increase the humidity and temperature, which is precisely what mold is attracted to.