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

1989/tromp/README.md

@@ -3,19 +3,22 @@
 John Tromp\
 Netherlands
 
+
 ## To build:
 
 ```sh
 make all
 ```
 
+
 ## To use:
 
 ```sh
 ./tromp [drops_per_sec  [cmd_string]]
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 ./tromp 5
@@ -70,6 +73,7 @@ benefits of the alt version, has not been done.
 The original unmodified alternate code, which will no longer work right if it
 even compiles, is provided later in the author's remarks.
 
+
 ## Judges' remarks:
 
 This is a character terminal version of the `TETRIS` game.
@@ -163,6 +167,7 @@ can only by stopped by 'q' or by the `kill -9' command.
 
 NOTE: the alternate version was fixed for modern systems in 2023.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.