Add empty line before example list

Author: BNAndras

exercises/say/instructions.md

@@ -4,6 +4,7 @@ Given a number, your task is to express it in English words exactly as your frie
 Yaʻqūb expects to use numbers from 0 up to 999,999,999,999.
 
 Examples:
+
 - 0 → “zero”
 - 1 → “one”
 - 12 → “twelve”