You are already in! I have to add you (since it is my list) and I did. You will find yourself on the member list. I have the feed bookmarked and go in a few times a day usually.
https://twitter.com/FitinfunSharon/lists/steemit-friends
From there you are getting the tweets. I mute people that stop tweeting steem stuff and you would have to do the same if you are using it.