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

1986/wall/README.md

@@ -3,12 +3,14 @@
 Larry Wall\
 US
 
+
 ## To build:
 
 ```sh
 make all
 ```
 
+
 ## To use:
 
 ```sh
@@ -37,6 +39,7 @@ NOTE: gcc in macOS is actually clang even the binary `/usr/bin/gcc`.
 
 Use `./wall.alt` as you would `./wall`.
 
+
 ## Judges' remarks:
 
 The original version did not have a ';' character in the first line.
@@ -50,10 +53,12 @@ consider the warning message generated by the C compiler.  Then execute the
 program and type characters into its standard input.  You will see why the
 compiler documents the program.
 
+
 ## Author's remarks:
 
 No remarks were provided by the author.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.