Timeline: Fix paragraph spacing of Pixels item

Author: hedyhli

pydis_site/apps/timeline/entries/2021-05-24_inaugural-run-of-pixels.md

@@ -7,6 +7,8 @@ icon_color: pastel-purple
 
 Inspired by the subreddit, r/place, Pixels was our collaborative canvas event
 held between May 25 to June 14, providing a beginner-friendly API to paint
-pixels on a virtual canvas.   Later, we released [a blog
+pixels on a virtual canvas.
+
+Later, we released [a blog
 post](https://blog.pythondiscord.com/pixels-summer-2021/) summarizing what
 happened, our motives, and some stories from during development.