Add details about new image generation to article

src/how_to_run_a_journal.dj

@@ -63,7 +63,7 @@ Because our CI tool is running this code, we can know which articles need compil
 - Run a blame on new articles, which is how we figure out who wrote them
 - See if we are we have changed the production branch, and index new articles if so
 
-Everything I've just described can be done in just ~400 lines of Rust. This is the effect of buidling simple on top of simple, _and making an effort to retain simplicity_ by making the most out of the simple building blocks.
+Everything I've described that the program can do thusfar can be done in just \~400 lines of Rust. This is the effect of buidling simple on top of simple, _and making an effort to retain simplicity_ by making the most out of the simple building blocks. (P.S: Our Rust code now also generates a title card image for each article, so they look better on platforms like Twitter and Discord. By using the same stradegy, I only needed to add \~230 lines to our Rust code)
 
 [![Google cosplay is not business-critical](assets/google_cosplay.jpg)](https://twitter.com/garybernhardt/status/1344341213575483399)