fix standard headers and header spacing in winner README.md files

1991/buzzard/README.md

@@ -6,24 +6,28 @@ University of Maryland\
 Hyattsville MD 20782\
 US
 
+
 ## To build:
 
 ```sh
 make all
 ```
 
+
 ## To use:
 
 ```sh
 ./buzzard
 ```
 
+
 ## Judges' remarks:
 
 You will be A-mazed.
 
 You are invited to try to cheat, ... if you can figure out how!  :-)
 
+
 ## Author's remarks:
 
 ### How to play
@@ -94,6 +98,7 @@ Rot13 to read:
 
     Gur cebtenz nffhzrf gung gnof ner frg gb 8 punenpgref.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.