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To make it quick release and tubeless compatible, you'd need a new back wheel. I'd suggest taking it to a good bike shop that understands fixed/single speed. I see a few potential mechanical pitfalls if you are considering turning it into a fixed gear.
Your post has been removed because it breaks Rule 3 - Please keep questions in the weekly questions thread. It is stickied to the top of the subreddit and is refreshed every Wednesday.