Yeah I love it too! I just wish I wasn't about ~4yrs late to the party! Oh well better late then never! My goal(s) right now are to help revitalise the twtxt community and build software and tool that help make it easier for _anyone_ to use. So far that's https://feeds.twtxt.net and https://twtxt.net
Yes (_just realised I used them here_); the lack of "multiple lines" does feel a bit limiting sometimes; but its not that bad really once you get used to it. I implemented twtxt,net's software such that you couldn't actually accidentally the format of the underlying twtxt.txt files that it writes to.
OTOH I did add Makrdown rendering support to the client (web) that is twtxt.net so you at least have a nice subset of Markdown formatting including pictures!
Another user just signed up on https://twtxt.net/ and posted their first post! -- But as this thread's question states; I would really feel like I'v accomplished something positive in the world if just one person spun up their own instance! We as a society need to start thinking about taking back control and ownership of our data and the digital footprint we leave behind. Its yours!
Of course OTOH; the _real_ question is how do we form decentralised communities of which github.com/prologic/twtxt is designed for? My main goals are to make it as simple as possible for _anyone_ (even non-tech folks) to spin up their own instance.