style(descendappendrange): add second # to the title

subjects/descendappendrange/README.md

@@ -1,4 +1,4 @@
-# descendappendrange
+## descendappendrange
 
 ### Instructions
 
@@ -26,13 +26,13 @@ Here is a possible program to test your function:
 package main
 
 import (
-	"fmt"
-	"piscine"
+  "fmt"
+  "piscine"
 )
 
 func main() {
-	fmt.Println(piscine.DescendAppendRange(10, 5))
-	fmt.Println(piscine.DescendAppendRange(5, 10))
+  fmt.Println(piscine.DescendAppendRange(10, 5))
+  fmt.Println(piscine.DescendAppendRange(5, 10))
 }
 ```