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

2018/burton2/README.md

@@ -3,19 +3,22 @@
 Dave Burton\
 <http://ioccc.snox.net>
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
 ./prog [-tcksri] < file.c
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 ./prog -i < prog.c
@@ -35,11 +38,13 @@ If you get really stuck, try:
 man ./tac.man
 ```
 
+
 ## Judges' remarks:
 
 They say size isn't everything, and in the case of IOCCC [iocccsize.c](https://www.ioccc.org/2018/iocccsize.c)
 that is saying something!  What is this program weighing and how much does it weigh?
 
+
 ## Author's remarks:
 
 ### tac - tokenize and count C and derivative languages:
@@ -410,6 +415,7 @@ Try:
 ./manpage -h | ./manpage -P | lpr
 ```
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.