docs: add ArjanCodes UV for Python video resource with formatting fix

Added https://www.youtube.com/watch?v=qh98qOND6MI&t=903s
for UV

src/data/roadmaps/python/content/uv@p3Frfs6oxpuciUzeCEsvb.md

@@ -5,3 +5,4 @@ uv is an "extremely fast" python package installer and resolver.
 Learn more from the following resources:
 
 - [@opensource@astral-sh/uv](https://github.com/astral-sh/uv)
+- [@UV for Python](https://www.youtube.com/watch?v=qh98qOND6MI&t)