is that a way to keep track of your steps on the apple watch?

If you want to be able to see the steps on your watch face, you'll need to download a third-party app that provides a complication. One I've used is called StepsApp. There are lots of others, too.

Customize the watch face - Apple Support

Yes here;

And there are pedometer apps in the app store.

From the watch face press the digital crown once and all your apps are there,tap on the icon with 3 coloured rings.