fix; Missing bullet points in requirements list (#64)

Author: Bentroen

web/posts/blog/2025-10-13_maestro.md

@@ -41,9 +41,9 @@ The submission form closes on **October 26, 2025**. You must submit your songs b
 
 ### ✅ What's allowed?
 
-An original note block song composition
-A cover of an existing song not originally composed by you
-Collaborations with other note block creators
+- An original note block song composition
+- A cover of an existing song not originally composed by you
+- Collaborations with other note block creators
 
 ### ❌ Limits