Add solution for day 5 and adjust template

AoC2021/template.py

@@ -9,9 +9,9 @@ if __name__ == '__main__':
 
     # challenge 1
     res1 = ""
-    print("challenge 1:" + res1 + "\n")
+    print("challenge 1:" +"\n" +  res1 + "\n")
 
     # challenge 2
     res2 = ""
-    print("challenge 2:" + res2 + "\n")
+    print("challenge 2:" +"\n" +  res2 + "\n")