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

2012/omoikane/README.md

@@ -4,12 +4,14 @@ Don Yang\
 <omoikane@uguu.org>\
 <http://uguu.org/>
 
+
 ## To build:
 
 ```sh
 make
 ```
 
+
 ## To use:
 
 ```sh
@@ -23,7 +25,8 @@ gcc output.c -o output
 ./output > regenerated.bin
 ```
 
-## Try:
+
+### Try:
 
 ```sh
 echo "A quick brown fox jumps over the lazy dog" | ./nyaruko > output.c
@@ -34,11 +37,13 @@ cc -o output output.c
 ./output
 ```
 
+
 ## Judges' remarks:
 
 The judges have nothing to add that has not already been written about in the
 [spoiler.html](spoiler.html) (requires JavaScript) file!  :-)
 
+
 ## Author's remarks:
 
 ### Usage
@@ -146,6 +151,7 @@ default, this means `Nyaruko` may not faithfully encode files on MingW.
 blank state to an obfuscated program, gzipped to fit under 1MB. Requires
 JavaScript.
 
+
 ## Copyright and CC BY-SA 4.0 License:
 
 This file is Copyright (c) 2023 by Landon Curt Noll.  All Rights Reserved.